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path: root/fs/nfsd/nfs4xdr.c
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Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
-rw-r--r--fs/nfsd/nfs4xdr.c58
1 files changed, 26 insertions, 32 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index ea91bad4eee2..67bb9c0b9fcb 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -538,8 +538,9 @@ nfsd4_decode_fattr4(struct nfsd4_compoundargs *argp, u32 *bmval, u32 bmlen,
iattr->ia_mtime.tv_sec = modify.seconds;
iattr->ia_mtime.tv_nsec = modify.nseconds;
iattr->ia_ctime.tv_sec = modify.seconds;
- iattr->ia_ctime.tv_nsec = modify.seconds;
- iattr->ia_valid |= ATTR_CTIME | ATTR_MTIME | ATTR_MTIME_SET | ATTR_DELEG;
+ iattr->ia_ctime.tv_nsec = modify.nseconds;
+ iattr->ia_valid |= ATTR_CTIME | ATTR_CTIME_SET |
+ ATTR_MTIME | ATTR_MTIME_SET | ATTR_DELEG;
}
/* request sanity: did attrlist4 contain the expected number of words? */
@@ -587,23 +588,13 @@ nfsd4_decode_state_owner4(struct nfsd4_compoundargs *argp,
}
#ifdef CONFIG_NFSD_PNFS
-static __be32
-nfsd4_decode_deviceid4(struct nfsd4_compoundargs *argp,
- struct nfsd4_deviceid *devid)
-{
- __be32 *p;
-
- p = xdr_inline_decode(argp->xdr, NFS4_DEVICEID4_SIZE);
- if (!p)
- return nfserr_bad_xdr;
- memcpy(devid, p, sizeof(*devid));
- return nfs_ok;
-}
static __be32
nfsd4_decode_layoutupdate4(struct nfsd4_compoundargs *argp,
struct nfsd4_layoutcommit *lcp)
{
+ u32 len;
+
if (xdr_stream_decode_u32(argp->xdr, &lcp->lc_layout_type) < 0)
return nfserr_bad_xdr;
if (lcp->lc_layout_type < LAYOUT_NFSV4_1_FILES)
@@ -611,13 +602,10 @@ nfsd4_decode_layoutupdate4(struct nfsd4_compoundargs *argp,
if (lcp->lc_layout_type >= LAYOUT_TYPE_MAX)
return nfserr_bad_xdr;
- if (xdr_stream_decode_u32(argp->xdr, &lcp->lc_up_len) < 0)
+ if (xdr_stream_decode_u32(argp->xdr, &len) < 0)
+ return nfserr_bad_xdr;
+ if (!xdr_stream_subsegment(argp->xdr, &lcp->lc_up_layout, len))
return nfserr_bad_xdr;
- if (lcp->lc_up_len > 0) {
- lcp->lc_up_layout = xdr_inline_decode(argp->xdr, lcp->lc_up_len);
- if (!lcp->lc_up_layout)
- return nfserr_bad_xdr;
- }
return nfs_ok;
}
@@ -1783,7 +1771,7 @@ nfsd4_decode_getdeviceinfo(struct nfsd4_compoundargs *argp,
__be32 status;
memset(gdev, 0, sizeof(*gdev));
- status = nfsd4_decode_deviceid4(argp, &gdev->gd_devid);
+ status = nfsd4_decode_deviceid4(argp->xdr, &gdev->gd_devid);
if (status)
return status;
if (xdr_stream_decode_u32(argp->xdr, &gdev->gd_layout_type) < 0)
@@ -1814,7 +1802,7 @@ nfsd4_decode_layoutcommit(struct nfsd4_compoundargs *argp,
status = nfsd4_decode_stateid4(argp, &lcp->lc_sid);
if (status)
return status;
- if (xdr_stream_decode_u32(argp->xdr, &lcp->lc_newoffset) < 0)
+ if (xdr_stream_decode_bool(argp->xdr, &lcp->lc_newoffset) < 0)
return nfserr_bad_xdr;
if (lcp->lc_newoffset) {
if (xdr_stream_decode_u64(argp->xdr, &lcp->lc_last_wr) < 0)
@@ -2500,8 +2488,10 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
if (xdr_stream_decode_u32(argp->xdr, &argp->minorversion) < 0)
return false;
- if (xdr_stream_decode_u32(argp->xdr, &argp->opcnt) < 0)
+ if (xdr_stream_decode_u32(argp->xdr, &argp->client_opcnt) < 0)
return false;
+ argp->opcnt = min_t(u32, argp->client_opcnt,
+ NFSD_MAX_OPS_PER_COMPOUND);
if (argp->opcnt > ARRAY_SIZE(argp->iops)) {
argp->ops = vcalloc(argp->opcnt, sizeof(*argp->ops));
@@ -2640,10 +2630,8 @@ static __be32 nfsd4_encode_components_esc(struct xdr_stream *xdr, char sep,
__be32 *p;
__be32 pathlen;
int pathlen_offset;
- int strlen, count=0;
char *str, *end, *next;
-
- dprintk("nfsd4_encode_components(%s)\n", components);
+ int count = 0;
pathlen_offset = xdr->buf->len;
p = xdr_reserve_space(xdr, 4);
@@ -2670,9 +2658,8 @@ static __be32 nfsd4_encode_components_esc(struct xdr_stream *xdr, char sep,
for (; *end && (*end != sep); end++)
/* find sep or end of string */;
- strlen = end - str;
- if (strlen) {
- if (xdr_stream_encode_opaque(xdr, str, strlen) < 0)
+ if (end > str) {
+ if (xdr_stream_encode_opaque(xdr, str, end - str) < 0)
return nfserr_resource;
count++;
} else
@@ -2951,6 +2938,12 @@ struct nfsd4_fattr_args {
typedef __be32(*nfsd4_enc_attr)(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args);
+static __be32 nfsd4_encode_fattr4__inval(struct xdr_stream *xdr,
+ const struct nfsd4_fattr_args *args)
+{
+ return nfserr_inval;
+}
+
static __be32 nfsd4_encode_fattr4__noop(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
@@ -3572,6 +3565,8 @@ static const nfsd4_enc_attr nfsd4_enc_fattr4_encode_ops[] = {
[FATTR4_MODE_UMASK] = nfsd4_encode_fattr4__noop,
[FATTR4_XATTR_SUPPORT] = nfsd4_encode_fattr4_xattr_support,
+ [FATTR4_TIME_DELEG_ACCESS] = nfsd4_encode_fattr4__inval,
+ [FATTR4_TIME_DELEG_MODIFY] = nfsd4_encode_fattr4__inval,
[FATTR4_OPEN_ARGUMENTS] = nfsd4_encode_fattr4_open_arguments,
};
@@ -5078,7 +5073,7 @@ nfsd4_encode_sequence(struct nfsd4_compoundres *resp, __be32 nfserr,
return nfserr;
/* Note slotid's are numbered from zero: */
/* sr_highest_slotid */
- nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots - 1);
+ nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots_response - 1);
if (nfserr != nfs_ok)
return nfserr;
/* sr_target_highest_slotid */
@@ -5930,8 +5925,7 @@ nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op)
*/
warn_on_nonidempotent_op(op);
xdr_truncate_encode(xdr, op_status_offset + XDR_UNIT);
- }
- if (so) {
+ } else if (so) {
int len = xdr->buf->len - (op_status_offset + XDR_UNIT);
so->so_replay.rp_status = op->status;