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-rw-r--r--net/9p/client.c155
-rw-r--r--net/9p/mod.c4
-rw-r--r--net/9p/protocol.c44
-rw-r--r--net/9p/trans_virtio.c4
-rw-r--r--net/bridge/br_if.c2
-rw-r--r--net/bridge/br_netlink.c2
-rw-r--r--net/bridge/br_private.h1
-rw-r--r--net/bridge/br_private_stp.h3
-rw-r--r--net/bridge/br_stp.c31
-rw-r--r--net/bridge/br_stp_bpdu.c15
-rw-r--r--net/bridge/br_stp_if.c3
-rw-r--r--net/bridge/br_stp_timer.c1
-rw-r--r--net/bridge/netfilter/ebt_ulog.c1
-rw-r--r--net/core/dev.c4
-rw-r--r--net/core/link_watch.c2
-rw-r--r--net/ethernet/eth.c1
-rw-r--r--net/ipv4/devinet.c16
-rw-r--r--net/ipv4/gre.c21
-rw-r--r--net/ipv4/ipmr.c2
-rw-r--r--net/ipv4/route.c2
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/iucv/iucv.c7
-rw-r--r--net/mac80211/mesh_hwmp.c20
-rw-r--r--net/mac80211/sta_info.c4
-rw-r--r--net/netfilter/xt_RATEEST.c8
-rw-r--r--net/netlabel/netlabel_domainhash.c3
-rw-r--r--net/netlabel/netlabel_unlabeled.c3
-rw-r--r--net/sunrpc/clnt.c11
-rw-r--r--net/unix/af_unix.c38
29 files changed, 237 insertions, 173 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 9e3b0e640da1..0505a03c374c 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -72,23 +72,22 @@ inline int p9_is_proto_dotu(struct p9_client *clnt)
EXPORT_SYMBOL(p9_is_proto_dotu);
/* Interpret mount option for protocol version */
-static int get_protocol_version(const substring_t *name)
+static int get_protocol_version(char *s)
{
int version = -EINVAL;
- if (!strncmp("9p2000", name->from, name->to-name->from)) {
+ if (!strcmp(s, "9p2000")) {
version = p9_proto_legacy;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n");
- } else if (!strncmp("9p2000.u", name->from, name->to-name->from)) {
+ } else if (!strcmp(s, "9p2000.u")) {
version = p9_proto_2000u;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n");
- } else if (!strncmp("9p2000.L", name->from, name->to-name->from)) {
+ } else if (!strcmp(s, "9p2000.L")) {
version = p9_proto_2000L;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n");
- } else {
- P9_DPRINTK(P9_DEBUG_ERROR, "Unknown protocol version %s. ",
- name->from);
- }
+ } else
+ printk(KERN_INFO "9p: Unknown protocol version %s.\n", s);
+
return version;
}
@@ -106,6 +105,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
char *p;
substring_t args[MAX_OPT_ARGS];
int option;
+ char *s;
int ret = 0;
clnt->proto_version = p9_proto_2000u;
@@ -141,22 +141,41 @@ static int parse_opts(char *opts, struct p9_client *clnt)
clnt->msize = option;
break;
case Opt_trans:
- clnt->trans_mod = v9fs_get_trans_by_name(&args[0]);
- if(clnt->trans_mod == NULL) {
+ s = match_strdup(&args[0]);
+ if (!s) {
+ ret = -ENOMEM;
P9_DPRINTK(P9_DEBUG_ERROR,
- "Could not find request transport: %s\n",
- (char *) &args[0]);
+ "problem allocating copy of trans arg\n");
+ goto free_and_return;
+ }
+ clnt->trans_mod = v9fs_get_trans_by_name(s);
+ if (clnt->trans_mod == NULL) {
+ printk(KERN_INFO
+ "9p: Could not find "
+ "request transport: %s\n", s);
ret = -EINVAL;
+ kfree(s);
goto free_and_return;
}
+ kfree(s);
break;
case Opt_legacy:
clnt->proto_version = p9_proto_legacy;
break;
case Opt_version:
- ret = get_protocol_version(&args[0]);
- if (ret == -EINVAL)
+ s = match_strdup(&args[0]);
+ if (!s) {
+ ret = -ENOMEM;
+ P9_DPRINTK(P9_DEBUG_ERROR,
+ "problem allocating copy of version arg\n");
goto free_and_return;
+ }
+ ret = get_protocol_version(s);
+ if (ret == -EINVAL) {
+ kfree(s);
+ goto free_and_return;
+ }
+ kfree(s);
clnt->proto_version = ret;
break;
default:
@@ -280,7 +299,8 @@ struct p9_req_t *p9_tag_lookup(struct p9_client *c, u16 tag)
* buffer to read the data into */
tag++;
- BUG_ON(tag >= c->max_tag);
+ if(tag >= c->max_tag)
+ return NULL;
row = tag / P9_ROW_MAXTAG;
col = tag % P9_ROW_MAXTAG;
@@ -749,7 +769,7 @@ static int p9_client_version(struct p9_client *c)
err = p9pdu_readf(req->rc, c->proto_version, "ds", &msize, &version);
if (err) {
P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
@@ -821,8 +841,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
if (err)
goto destroy_fidpool;
- if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize)
- clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ;
+ if (clnt->msize > clnt->trans_mod->maxsize)
+ clnt->msize = clnt->trans_mod->maxsize;
err = p9_client_version(clnt);
if (err)
@@ -911,7 +931,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -971,7 +991,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname,
err = p9pdu_readf(req->rc, clnt->proto_version, "R", &nwqids, &wqids);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto clunk_fid;
}
@@ -1038,7 +1058,7 @@ int p9_client_open(struct p9_fid *fid, int mode)
err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1081,7 +1101,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", qid, &iounit);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1126,7 +1146,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1165,7 +1185,7 @@ int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1249,9 +1269,11 @@ int p9_client_clunk(struct p9_fid *fid)
P9_DPRINTK(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid);
p9_free_req(clnt, req);
- p9_fid_destroy(fid);
-
error:
+ /*
+ * Fid is not valid even after a failed clunk
+ */
+ p9_fid_destroy(fid);
return err;
}
EXPORT_SYMBOL(p9_client_clunk);
@@ -1281,6 +1303,29 @@ error:
}
EXPORT_SYMBOL(p9_client_remove);
+int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags)
+{
+ int err = 0;
+ struct p9_req_t *req;
+ struct p9_client *clnt;
+
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TUNLINKAT fid %d %s %d\n",
+ dfid->fid, name, flags);
+
+ clnt = dfid->clnt;
+ req = p9_client_rpc(clnt, P9_TUNLINKAT, "dsd", dfid->fid, name, flags);
+ if (IS_ERR(req)) {
+ err = PTR_ERR(req);
+ goto error;
+ }
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name);
+
+ p9_free_req(clnt, req);
+error:
+ return err;
+}
+EXPORT_SYMBOL(p9_client_unlinkat);
+
int
p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
u32 count)
@@ -1318,11 +1363,12 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
+ P9_DUMP_PKT(1, req->rc);
if (!req->tc->pbuf_size) {
if (data) {
@@ -1386,7 +1432,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
err = p9pdu_readf(req->rc, clnt->proto_version, "d", &count);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1426,7 +1472,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
err = p9pdu_readf(req->rc, clnt->proto_version, "wS", &ignored, ret);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -1477,7 +1523,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
err = p9pdu_readf(req->rc, clnt->proto_version, "A", ret);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -1625,7 +1671,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
&sb->bsize, &sb->blocks, &sb->bfree, &sb->bavail,
&sb->files, &sb->ffree, &sb->fsid, &sb->namelen);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -1643,7 +1689,8 @@ error:
}
EXPORT_SYMBOL(p9_client_statfs);
-int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name)
+int p9_client_rename(struct p9_fid *fid,
+ struct p9_fid *newdirfid, const char *name)
{
int err;
struct p9_req_t *req;
@@ -1670,6 +1717,36 @@ error:
}
EXPORT_SYMBOL(p9_client_rename);
+int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name,
+ struct p9_fid *newdirfid, const char *new_name)
+{
+ int err;
+ struct p9_req_t *req;
+ struct p9_client *clnt;
+
+ err = 0;
+ clnt = olddirfid->clnt;
+
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAMEAT olddirfid %d old name %s"
+ " newdirfid %d new name %s\n", olddirfid->fid, old_name,
+ newdirfid->fid, new_name);
+
+ req = p9_client_rpc(clnt, P9_TRENAMEAT, "dsds", olddirfid->fid,
+ old_name, newdirfid->fid, new_name);
+ if (IS_ERR(req)) {
+ err = PTR_ERR(req);
+ goto error;
+ }
+
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n",
+ newdirfid->fid, new_name);
+
+ p9_free_req(clnt, req);
+error:
+ return err;
+}
+EXPORT_SYMBOL(p9_client_renameat);
+
/*
* An xattrwalk without @attr_name gives the fid for the lisxattr namespace
*/
@@ -1701,7 +1778,7 @@ struct p9_fid *p9_client_xattrwalk(struct p9_fid *file_fid,
}
err = p9pdu_readf(req->rc, clnt->proto_version, "q", attr_size);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto clunk_fid;
}
@@ -1780,7 +1857,7 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset)
err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1817,7 +1894,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type,
@@ -1848,7 +1925,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RMKDIR qid %x.%llx.%x\n", qid->type,
@@ -1883,7 +1960,7 @@ int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status)
err = p9pdu_readf(req->rc, clnt->proto_version, "b", status);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status);
@@ -1916,7 +1993,7 @@ int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock)
&glock->start, &glock->length, &glock->proc_id,
&glock->client_id);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RGETLOCK type %i start %lld length %lld "
@@ -1944,7 +2021,7 @@ int p9_client_readlink(struct p9_fid *fid, char **target)
err = p9pdu_readf(req->rc, clnt->proto_version, "s", target);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target);
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 72c398275051..2664d1292291 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -80,14 +80,14 @@ EXPORT_SYMBOL(v9fs_unregister_trans);
* @name: string identifying transport
*
*/
-struct p9_trans_module *v9fs_get_trans_by_name(const substring_t *name)
+struct p9_trans_module *v9fs_get_trans_by_name(char *s)
{
struct p9_trans_module *t, *found = NULL;
spin_lock(&v9fs_trans_lock);
list_for_each_entry(t, &v9fs_trans_list, list)
- if (strncmp(t->name, name->from, name->to-name->from) == 0 &&
+ if (strcmp(t->name, s) == 0 &&
try_module_get(t->owner)) {
found = t;
break;
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index a873277cb996..df58375ea6b3 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -44,30 +44,24 @@ p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
void
p9pdu_dump(int way, struct p9_fcall *pdu)
{
- int i, n;
- u8 *data = pdu->sdata;
- int datalen = pdu->size;
- char buf[255];
- int buflen = 255;
-
- i = n = 0;
- if (datalen > (buflen-16))
- datalen = buflen-16;
- while (i < datalen) {
- n += scnprintf(buf + n, buflen - n, "%02x ", data[i]);
- if (i%4 == 3)
- n += scnprintf(buf + n, buflen - n, " ");
- if (i%32 == 31)
- n += scnprintf(buf + n, buflen - n, "\n");
-
- i++;
+ int len = pdu->size;
+
+ if ((p9_debug_level & P9_DEBUG_VPKT) != P9_DEBUG_VPKT) {
+ if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT) {
+ if (len > 32)
+ len = 32;
+ } else {
+ /* shouldn't happen */
+ return;
+ }
}
- n += scnprintf(buf + n, buflen - n, "\n");
if (way)
- P9_DPRINTK(P9_DEBUG_PKT, "[[[(%d) %s\n", datalen, buf);
+ print_hex_dump_bytes("[9P] ", DUMP_PREFIX_OFFSET, pdu->sdata,
+ len);
else
- P9_DPRINTK(P9_DEBUG_PKT, "]]](%d) %s\n", datalen, buf);
+ print_hex_dump_bytes("]9P[ ", DUMP_PREFIX_OFFSET, pdu->sdata,
+ len);
}
#else
void
@@ -610,7 +604,7 @@ int p9stat_read(char *buf, int len, struct p9_wstat *st, int proto_version)
ret = p9pdu_readf(&fake_pdu, proto_version, "S", st);
if (ret) {
P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret);
- p9pdu_dump(1, &fake_pdu);
+ P9_DUMP_PKT(0, &fake_pdu);
}
return ret;
@@ -632,11 +626,7 @@ int p9pdu_finalize(struct p9_fcall *pdu)
err = p9pdu_writef(pdu, 0, "d", size);
pdu->size = size;
-#ifdef CONFIG_NET_9P_DEBUG
- if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT)
- p9pdu_dump(0, pdu);
-#endif
-
+ P9_DUMP_PKT(0, pdu);
P9_DPRINTK(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", pdu->size,
pdu->id, pdu->tag);
@@ -669,7 +659,7 @@ int p9dirent_read(char *buf, int len, struct p9_dirent *dirent,
&dirent->d_off, &dirent->d_type, &nameptr);
if (ret) {
P9_DPRINTK(P9_DEBUG_9P, "<<< p9dirent_read failed: %d\n", ret);
- p9pdu_dump(1, &fake_pdu);
+ P9_DUMP_PKT(1, &fake_pdu);
goto out;
}
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 244e70742183..175b5135bdcf 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -367,7 +367,7 @@ req_retry_pinned:
in += inp;
} else {
in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata,
- client->msize);
+ req->rc->capacity);
}
err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
@@ -592,7 +592,7 @@ static struct p9_trans_module p9_virtio_trans = {
.close = p9_virtio_close,
.request = p9_virtio_request,
.cancel = p9_virtio_cancel,
- .maxsize = PAGE_SIZE*16,
+ .maxsize = PAGE_SIZE*VIRTQUEUE_NUM,
.pref = P9_TRANS_PREF_PAYLOAD_SEP,
.def = 0,
.owner = THIS_MODULE,
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 1bacca4cb676..3176e2e13d9b 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -388,7 +388,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
br_ifinfo_notify(RTM_NEWLINK, p);
if (changed_addr)
- call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev);
dev_set_mtu(br->dev, br_min_mtu(br));
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 6814083a92f4..5b1ed1ba9aa7 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -188,6 +188,8 @@ static int br_rtm_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
p->state = new_state;
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
return 0;
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 54578f274d85..78cc364997d9 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -124,6 +124,7 @@ struct net_bridge_port
bridge_id designated_bridge;
u32 path_cost;
u32 designated_cost;
+ unsigned long designated_age;
struct timer_list forward_delay_timer;
struct timer_list hold_timer;
diff --git a/net/bridge/br_private_stp.h b/net/bridge/br_private_stp.h
index 642ef47a867e..05ed9bc7e426 100644
--- a/net/bridge/br_private_stp.h
+++ b/net/bridge/br_private_stp.h
@@ -56,7 +56,8 @@ extern void br_become_root_bridge(struct net_bridge *br);
extern void br_config_bpdu_generation(struct net_bridge *);
extern void br_configuration_update(struct net_bridge *);
extern void br_port_state_selection(struct net_bridge *);
-extern void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu);
+extern void br_received_config_bpdu(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu);
extern void br_received_tcn_bpdu(struct net_bridge_port *p);
extern void br_transmit_config(struct net_bridge_port *p);
extern void br_transmit_tcn(struct net_bridge *br);
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index bb4383e84de9..ad0a3f7cf6cc 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -109,7 +109,6 @@ static void br_root_selection(struct net_bridge *br)
list_for_each_entry(p, &br->port_list, list) {
if (br_should_become_root_port(p, root_port))
root_port = p->port_no;
-
}
br->root_port = root_port;
@@ -145,7 +144,6 @@ void br_transmit_config(struct net_bridge_port *p)
struct br_config_bpdu bpdu;
struct net_bridge *br;
-
if (timer_pending(&p->hold_timer)) {
p->config_pending = 1;
return;
@@ -164,8 +162,7 @@ void br_transmit_config(struct net_bridge_port *p)
else {
struct net_bridge_port *root
= br_get_port(br, br->root_port);
- bpdu.message_age = br->max_age
- - (root->message_age_timer.expires - jiffies)
+ bpdu.message_age = (jiffies - root->designated_age)
+ MESSAGE_AGE_INCR;
}
bpdu.max_age = br->max_age;
@@ -182,20 +179,21 @@ void br_transmit_config(struct net_bridge_port *p)
}
/* called under bridge lock */
-static inline void br_record_config_information(struct net_bridge_port *p,
- const struct br_config_bpdu *bpdu)
+static void br_record_config_information(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu)
{
p->designated_root = bpdu->root;
p->designated_cost = bpdu->root_path_cost;
p->designated_bridge = bpdu->bridge_id;
p->designated_port = bpdu->port_id;
+ p->designated_age = jiffies + bpdu->message_age;
mod_timer(&p->message_age_timer, jiffies
+ (p->br->max_age - bpdu->message_age));
}
/* called under bridge lock */
-static inline void br_record_config_timeout_values(struct net_bridge *br,
+static void br_record_config_timeout_values(struct net_bridge *br,
const struct br_config_bpdu *bpdu)
{
br->max_age = bpdu->max_age;
@@ -254,7 +252,8 @@ static void br_designated_port_selection(struct net_bridge *br)
}
/* called under bridge lock */
-static int br_supersedes_port_info(struct net_bridge_port *p, struct br_config_bpdu *bpdu)
+static int br_supersedes_port_info(const struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu)
{
int t;
@@ -285,7 +284,7 @@ static int br_supersedes_port_info(struct net_bridge_port *p, struct br_config_b
}
/* called under bridge lock */
-static inline void br_topology_change_acknowledged(struct net_bridge *br)
+static void br_topology_change_acknowledged(struct net_bridge *br)
{
br->topology_change_detected = 0;
del_timer(&br->tcn_timer);
@@ -327,7 +326,7 @@ void br_config_bpdu_generation(struct net_bridge *br)
}
/* called under bridge lock */
-static inline void br_reply(struct net_bridge_port *p)
+static void br_reply(struct net_bridge_port *p)
{
br_transmit_config(p);
}
@@ -363,6 +362,8 @@ static void br_make_blocking(struct net_bridge_port *p)
p->state = BR_STATE_BLOCKING;
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
del_timer(&p->forward_delay_timer);
}
}
@@ -379,15 +380,14 @@ static void br_make_forwarding(struct net_bridge_port *p)
p->state = BR_STATE_FORWARDING;
br_topology_change_detection(br);
del_timer(&p->forward_delay_timer);
- }
- else if (br->stp_enabled == BR_KERNEL_STP)
+ } else if (br->stp_enabled == BR_KERNEL_STP)
p->state = BR_STATE_LISTENING;
else
p->state = BR_STATE_LEARNING;
br_multicast_enable_port(p);
-
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
if (br->forward_delay != 0)
mod_timer(&p->forward_delay_timer, jiffies + br->forward_delay);
@@ -431,14 +431,15 @@ void br_port_state_selection(struct net_bridge *br)
}
/* called under bridge lock */
-static inline void br_topology_change_acknowledge(struct net_bridge_port *p)
+static void br_topology_change_acknowledge(struct net_bridge_port *p)
{
p->topology_change_ack = 1;
br_transmit_config(p);
}
/* called under bridge lock */
-void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu)
+void br_received_config_bpdu(struct net_bridge_port *p,
+ const struct br_config_bpdu *bpdu)
{
struct net_bridge *br;
int was_root;
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 289646ec9b7b..e16aade51ae0 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -210,10 +210,19 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
bpdu.hello_time = br_get_ticks(buf+28);
bpdu.forward_delay = br_get_ticks(buf+30);
- br_received_config_bpdu(p, &bpdu);
- }
+ if (bpdu.message_age > bpdu.max_age) {
+ if (net_ratelimit())
+ br_notice(p->br,
+ "port %u config from %pM"
+ " (message_age %ul > max_age %ul)\n",
+ p->port_no,
+ eth_hdr(skb)->h_source,
+ bpdu.message_age, bpdu.max_age);
+ goto out;
+ }
- else if (buf[0] == BPDU_TYPE_TCN) {
+ br_received_config_bpdu(p, &bpdu);
+ } else if (buf[0] == BPDU_TYPE_TCN) {
br_received_tcn_bpdu(p);
}
out:
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 6f615b8192f4..10eda3cd1d71 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -88,6 +88,7 @@ void br_stp_enable_port(struct net_bridge_port *p)
br_init_port(p);
br_port_state_selection(p->br);
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
}
/* called under bridge lock */
@@ -104,6 +105,8 @@ void br_stp_disable_port(struct net_bridge_port *p)
p->topology_change_ack = 0;
p->config_pending = 0;
+ br_ifinfo_notify(RTM_NEWLINK, p);
+
del_timer(&p->message_age_timer);
del_timer(&p->forward_delay_timer);
del_timer(&p->hold_timer);
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index 3e965140051e..58de2a0f9975 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -97,6 +97,7 @@ static void br_forward_delay_timer_expired(unsigned long arg)
netif_carrier_on(br->dev);
}
br_log_state(p);
+ br_ifinfo_notify(RTM_NEWLINK, p);
spin_unlock(&br->lock);
}
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 26377e96fa1c..bf2a333ca7c7 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -216,7 +216,6 @@ unlock:
nlmsg_failure:
pr_debug("error during NLMSG_PUT. This should "
"not happen, please report to author.\n");
- goto unlock;
alloc_failure:
goto unlock;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index 9444c5cb4137..17d67b579beb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4497,10 +4497,10 @@ void __dev_set_rx_mode(struct net_device *dev)
*/
if (!netdev_uc_empty(dev) && !dev->uc_promisc) {
__dev_set_promiscuity(dev, 1);
- dev->uc_promisc = 1;
+ dev->uc_promisc = true;
} else if (netdev_uc_empty(dev) && dev->uc_promisc) {
__dev_set_promiscuity(dev, -1);
- dev->uc_promisc = 0;
+ dev->uc_promisc = false;
}
if (ops->ndo_set_multicast_list)
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index a7b342131869..357bd4ee4baa 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -126,7 +126,7 @@ static void linkwatch_schedule_work(int urgent)
return;
/* It's already running which is good enough. */
- if (!cancel_delayed_work(&linkwatch_work))
+ if (!__cancel_delayed_work(&linkwatch_work))
return;
/* Otherwise we reschedule it again for immediate execution. */
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 5cffb63f481a..b8453bd4b09c 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -231,6 +231,7 @@ EXPORT_SYMBOL(eth_header_parse);
* eth_header_cache - fill cache entry from neighbour
* @neigh: source neighbour
* @hh: destination cache entry
+ * @type: Ethernet type field
* Create an Ethernet header template from the neighbour.
*/
int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 37b3c188d8b3..bc19bd06dd00 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1134,15 +1134,15 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev,
struct in_device *in_dev)
{
- struct in_ifaddr *ifa = in_dev->ifa_list;
-
- if (!ifa)
- return;
+ struct in_ifaddr *ifa;
- arp_send(ARPOP_REQUEST, ETH_P_ARP,
- ifa->ifa_local, dev,
- ifa->ifa_local, NULL,
- dev->dev_addr, NULL);
+ for (ifa = in_dev->ifa_list; ifa;
+ ifa = ifa->ifa_next) {
+ arp_send(ARPOP_REQUEST, ETH_P_ARP,
+ ifa->ifa_local, dev,
+ ifa->ifa_local, NULL,
+ dev->dev_addr, NULL);
+ }
}
/* Called only under RTNL semaphore */
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c
index 9dbe10875fbd..dbfc21de3479 100644
--- a/net/ipv4/gre.c
+++ b/net/ipv4/gre.c
@@ -15,6 +15,7 @@
#include <linux/kmod.h>
#include <linux/skbuff.h>
#include <linux/in.h>
+#include <linux/ip.h>
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <net/protocol.h>
@@ -96,27 +97,17 @@ drop:
static void gre_err(struct sk_buff *skb, u32 info)
{
const struct gre_protocol *proto;
- u8 ver;
-
- if (!pskb_may_pull(skb, 12))
- goto drop;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
+ u8 ver = skb->data[(iph->ihl<<2) + 1]&0x7f;
- ver = skb->data[1]&0x7f;
if (ver >= GREPROTO_MAX)
- goto drop;
+ return;
rcu_read_lock();
proto = rcu_dereference(gre_proto[ver]);
- if (!proto || !proto->err_handler)
- goto drop_unlock;
- proto->err_handler(skb, info);
- rcu_read_unlock();
- return;
-
-drop_unlock:
+ if (proto && proto->err_handler)
+ proto->err_handler(skb, info);
rcu_read_unlock();
-drop:
- kfree_skb(skb);
}
static const struct net_protocol net_gre_protocol = {
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index aae2bd8cd924..58e879157976 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1796,7 +1796,7 @@ static struct mr_table *ipmr_rt_fib_lookup(struct net *net, struct sk_buff *skb)
struct flowi4 fl4 = {
.daddr = iph->daddr,
.saddr = iph->saddr,
- .flowi4_tos = iph->tos,
+ .flowi4_tos = RT_TOS(iph->tos),
.flowi4_oif = rt->rt_oif,
.flowi4_iif = rt->rt_iif,
.flowi4_mark = rt->rt_mark,
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 33137307d52a..1730689f560e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1740,7 +1740,7 @@ void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt)
memset(&fl4, 0, sizeof(fl4));
fl4.daddr = iph->daddr;
fl4.saddr = iph->saddr;
- fl4.flowi4_tos = iph->tos;
+ fl4.flowi4_tos = RT_TOS(iph->tos);
fl4.flowi4_oif = rt->dst.dev->ifindex;
fl4.flowi4_iif = skb->dev->ifindex;
fl4.flowi4_mark = skb->mark;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a06c53c14d84..a55500cc0b29 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1481,6 +1481,8 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
{
struct in6_addr addr;
+ if (ifp->prefix_len == 127) /* RFC 6164 */
+ return;
ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
if (ipv6_addr_any(&addr))
return;
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 7f9124914b13..f2b713847b45 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -1988,12 +1988,13 @@ static int __init iucv_init(void)
rc = -EPROTONOSUPPORT;
goto out;
}
+ ctl_set_bit(0, 1);
rc = iucv_query_maxconn();
if (rc)
- goto out;
+ goto out_ctl;
rc = register_external_interrupt(0x4000, iucv_external_interrupt);
if (rc)
- goto out;
+ goto out_ctl;
iucv_root = root_device_register("iucv");
if (IS_ERR(iucv_root)) {
rc = PTR_ERR(iucv_root);
@@ -2055,6 +2056,8 @@ out_free:
root_device_unregister(iucv_root);
out_int:
unregister_external_interrupt(0x4000, iucv_external_interrupt);
+out_ctl:
+ ctl_clear_bit(0, 1);
out:
return rc;
}
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 2b18053070c1..3460108810d5 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -57,29 +57,29 @@ static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae)
#define PREQ_IE_TTL(x) (*(x + 2))
#define PREQ_IE_PREQ_ID(x) u32_field_get(x, 3, 0)
#define PREQ_IE_ORIG_ADDR(x) (x + 7)
-#define PREQ_IE_ORIG_SN(x) u32_field_get(x, 13, 0);
-#define PREQ_IE_LIFETIME(x) u32_field_get(x, 17, AE_F_SET(x));
-#define PREQ_IE_METRIC(x) u32_field_get(x, 21, AE_F_SET(x));
+#define PREQ_IE_ORIG_SN(x) u32_field_get(x, 13, 0)
+#define PREQ_IE_LIFETIME(x) u32_field_get(x, 17, AE_F_SET(x))
+#define PREQ_IE_METRIC(x) u32_field_get(x, 21, AE_F_SET(x))
#define PREQ_IE_TARGET_F(x) (*(AE_F_SET(x) ? x + 32 : x + 26))
#define PREQ_IE_TARGET_ADDR(x) (AE_F_SET(x) ? x + 33 : x + 27)
-#define PREQ_IE_TARGET_SN(x) u32_field_get(x, 33, AE_F_SET(x));
+#define PREQ_IE_TARGET_SN(x) u32_field_get(x, 33, AE_F_SET(x))
#define PREP_IE_FLAGS(x) PREQ_IE_FLAGS(x)
#define PREP_IE_HOPCOUNT(x) PREQ_IE_HOPCOUNT(x)
#define PREP_IE_TTL(x) PREQ_IE_TTL(x)
#define PREP_IE_ORIG_ADDR(x) (x + 3)
-#define PREP_IE_ORIG_SN(x) u32_field_get(x, 9, 0);
-#define PREP_IE_LIFETIME(x) u32_field_get(x, 13, AE_F_SET(x));
-#define PREP_IE_METRIC(x) u32_field_get(x, 17, AE_F_SET(x));
+#define PREP_IE_ORIG_SN(x) u32_field_get(x, 9, 0)
+#define PREP_IE_LIFETIME(x) u32_field_get(x, 13, AE_F_SET(x))
+#define PREP_IE_METRIC(x) u32_field_get(x, 17, AE_F_SET(x))
#define PREP_IE_TARGET_ADDR(x) (AE_F_SET(x) ? x + 27 : x + 21)
-#define PREP_IE_TARGET_SN(x) u32_field_get(x, 27, AE_F_SET(x));
+#define PREP_IE_TARGET_SN(x) u32_field_get(x, 27, AE_F_SET(x))
#define PERR_IE_TTL(x) (*(x))
#define PERR_IE_TARGET_FLAGS(x) (*(x + 2))
#define PERR_IE_TARGET_ADDR(x) (x + 3)
-#define PERR_IE_TARGET_SN(x) u32_field_get(x, 9, 0);
-#define PERR_IE_TARGET_RCODE(x) u16_field_get(x, 13, 0);
+#define PERR_IE_TARGET_SN(x) u32_field_get(x, 9, 0)
+#define PERR_IE_TARGET_RCODE(x) u16_field_get(x, 13, 0)
#define MSEC_TO_TU(x) (x*1000/1024)
#define SN_GT(x, y) ((long) (y) - (long) (x) < 0)
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index b83870bf60fa..3db78b696c5c 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -97,7 +97,6 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
while (sta) {
@@ -105,7 +104,6 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
sta = rcu_dereference_check(sta->hnext,
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
}
@@ -123,7 +121,6 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
while (sta) {
@@ -132,7 +129,6 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
sta = rcu_dereference_check(sta->hnext,
- rcu_read_lock_held() ||
lockdep_is_held(&local->sta_lock) ||
lockdep_is_held(&local->sta_mtx));
}
diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c
index de079abd5bc8..f264032b8c56 100644
--- a/net/netfilter/xt_RATEEST.c
+++ b/net/netfilter/xt_RATEEST.c
@@ -60,11 +60,6 @@ struct xt_rateest *xt_rateest_lookup(const char *name)
}
EXPORT_SYMBOL_GPL(xt_rateest_lookup);
-static void xt_rateest_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct xt_rateest, rcu));
-}
-
void xt_rateest_put(struct xt_rateest *est)
{
mutex_lock(&xt_rateest_mutex);
@@ -75,7 +70,7 @@ void xt_rateest_put(struct xt_rateest *est)
* gen_estimator est_timer() might access est->lock or bstats,
* wait a RCU grace period before freeing 'est'
*/
- call_rcu(&est->rcu, xt_rateest_free_rcu);
+ kfree_rcu(est, rcu);
}
mutex_unlock(&xt_rateest_mutex);
}
@@ -188,7 +183,6 @@ static int __init xt_rateest_tg_init(void)
static void __exit xt_rateest_tg_fini(void)
{
xt_unregister_target(&xt_rateest_tg_reg);
- rcu_barrier(); /* Wait for completion of call_rcu()'s (xt_rateest_free_rcu) */
}
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index de0d8e4cbfb6..2aa975e5452d 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -55,8 +55,7 @@ struct netlbl_domhsh_tbl {
* should be okay */
static DEFINE_SPINLOCK(netlbl_domhsh_lock);
#define netlbl_domhsh_rcu_deref(p) \
- rcu_dereference_check(p, rcu_read_lock_held() || \
- lockdep_is_held(&netlbl_domhsh_lock))
+ rcu_dereference_check(p, lockdep_is_held(&netlbl_domhsh_lock))
static struct netlbl_domhsh_tbl *netlbl_domhsh = NULL;
static struct netlbl_dom_map *netlbl_domhsh_def = NULL;
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 8efd061a0ae9..9a290ef5c175 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -116,8 +116,7 @@ struct netlbl_unlhsh_walk_arg {
* hash table should be okay */
static DEFINE_SPINLOCK(netlbl_unlhsh_lock);
#define netlbl_unlhsh_rcu_deref(p) \
- rcu_dereference_check(p, rcu_read_lock_held() || \
- lockdep_is_held(&netlbl_unlhsh_lock))
+ rcu_dereference_check(p, lockdep_is_held(&netlbl_unlhsh_lock))
static struct netlbl_unlhsh_tbl *netlbl_unlhsh = NULL;
static struct netlbl_unlhsh_iface *netlbl_unlhsh_def = NULL;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 7389b7da3a8d..c50818f0473b 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -97,8 +97,7 @@ static int
rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
{
static uint32_t clntid;
- struct nameidata nd;
- struct path path;
+ struct path path, dir;
char name[15];
struct qstr q = {
.name = name,
@@ -113,7 +112,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
path.mnt = rpc_get_mount();
if (IS_ERR(path.mnt))
return PTR_ERR(path.mnt);
- error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &nd);
+ error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &dir);
if (error)
goto err;
@@ -121,7 +120,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
q.len = snprintf(name, sizeof(name), "clnt%x", (unsigned int)clntid++);
name[sizeof(name) - 1] = '\0';
q.hash = full_name_hash(q.name, q.len);
- path.dentry = rpc_create_client_dir(nd.path.dentry, &q, clnt);
+ path.dentry = rpc_create_client_dir(dir.dentry, &q, clnt);
if (!IS_ERR(path.dentry))
break;
error = PTR_ERR(path.dentry);
@@ -132,11 +131,11 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
goto err_path_put;
}
}
- path_put(&nd.path);
+ path_put(&dir);
clnt->cl_path = path;
return 0;
err_path_put:
- path_put(&nd.path);
+ path_put(&dir);
err:
rpc_put_mount();
return error;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 0722a25a3a33..ec68e1c05b85 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -808,8 +808,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
+ char *sun_path = sunaddr->sun_path;
struct dentry *dentry = NULL;
- struct nameidata nd;
+ struct path path;
int err;
unsigned hash;
struct unix_address *addr;
@@ -845,48 +846,44 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
addr->hash = hash ^ sk->sk_type;
atomic_set(&addr->refcnt, 1);
- if (sunaddr->sun_path[0]) {
+ if (sun_path[0]) {
unsigned int mode;
err = 0;
/*
* Get the parent directory, calculate the hash for last
* component.
*/
- err = kern_path_parent(sunaddr->sun_path, &nd);
- if (err)
- goto out_mknod_parent;
-
- dentry = lookup_create(&nd, 0);
+ dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
- goto out_mknod_unlock;
+ goto out_mknod_parent;
/*
* All right, let's create it.
*/
mode = S_IFSOCK |
(SOCK_INODE(sock)->i_mode & ~current_umask());
- err = mnt_want_write(nd.path.mnt);
+ err = mnt_want_write(path.mnt);
if (err)
goto out_mknod_dput;
- err = security_path_mknod(&nd.path, dentry, mode, 0);
+ err = security_path_mknod(&path, dentry, mode, 0);
if (err)
goto out_mknod_drop_write;
- err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, 0);
+ err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
out_mknod_drop_write:
- mnt_drop_write(nd.path.mnt);
+ mnt_drop_write(path.mnt);
if (err)
goto out_mknod_dput;
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
- dput(nd.path.dentry);
- nd.path.dentry = dentry;
+ mutex_unlock(&path.dentry->d_inode->i_mutex);
+ dput(path.dentry);
+ path.dentry = dentry;
addr->hash = UNIX_HASH_SIZE;
}
spin_lock(&unix_table_lock);
- if (!sunaddr->sun_path[0]) {
+ if (!sun_path[0]) {
err = -EADDRINUSE;
if (__unix_find_socket_byname(net, sunaddr, addr_len,
sk->sk_type, hash)) {
@@ -897,8 +894,8 @@ out_mknod_drop_write:
list = &unix_socket_table[addr->hash];
} else {
list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
- u->dentry = nd.path.dentry;
- u->mnt = nd.path.mnt;
+ u->dentry = path.dentry;
+ u->mnt = path.mnt;
}
err = 0;
@@ -915,9 +912,8 @@ out:
out_mknod_dput:
dput(dentry);
-out_mknod_unlock:
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
- path_put(&nd.path);
+ mutex_unlock(&path.dentry->d_inode->i_mutex);
+ path_put(&path);
out_mknod_parent:
if (err == -EEXIST)
err = -EADDRINUSE;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.