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-rw-r--r--fs/cifs/cifs_debug.c77
-rw-r--r--fs/cifs/cifs_debug.h7
-rw-r--r--fs/cifs/cifsacl.c2
-rw-r--r--fs/cifs/cifsfs.c3
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/cifsglob.h6
-rw-r--r--fs/cifs/cifssmb.c20
-rw-r--r--fs/cifs/connect.c51
-rw-r--r--fs/cifs/file.c16
-rw-r--r--fs/cifs/inode.c2
-rw-r--r--fs/cifs/misc.c32
-rw-r--r--fs/cifs/readdir.c14
-rw-r--r--fs/cifs/sess.c7
-rw-r--r--fs/cifs/smb2file.c4
-rw-r--r--fs/cifs/smb2misc.c38
-rw-r--r--fs/cifs/smb2ops.c65
-rw-r--r--fs/cifs/smb2pdu.c5
-rw-r--r--fs/cifs/smb2pdu.h47
-rw-r--r--fs/cifs/transport.c4
19 files changed, 216 insertions, 186 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 44ec72684df5..9c56ef776407 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -34,27 +34,9 @@
void
cifs_dump_mem(char *label, void *data, int length)
{
- int i, j;
- int *intptr = data;
- char *charptr = data;
- char buf[10], line[80];
-
- printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
- label, length, data);
- for (i = 0; i < length; i += 16) {
- line[0] = 0;
- for (j = 0; (j < 4) && (i + j * 4 < length); j++) {
- sprintf(buf, " %08x", intptr[i / 4 + j]);
- strcat(line, buf);
- }
- buf[0] = ' ';
- buf[2] = 0;
- for (j = 0; (j < 16) && (i + j < length); j++) {
- buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.';
- strcat(line, buf);
- }
- printk(KERN_DEBUG "%s\n", line);
- }
+ pr_debug("%s: dump of %d bytes of data at 0x%p\n", label, length, data);
+ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 16, 4,
+ data, length, true);
}
#ifdef CONFIG_CIFS_DEBUG
@@ -68,7 +50,7 @@ void cifs_vfs_err(const char *fmt, ...)
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_ERR "CIFS VFS: %pV", &vaf);
+ pr_err("CIFS VFS: %pV", &vaf);
va_end(args);
}
@@ -274,6 +256,7 @@ static ssize_t cifs_stats_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *ppos)
{
char c;
+ bool bv;
int rc;
struct list_head *tmp1, *tmp2, *tmp3;
struct TCP_Server_Info *server;
@@ -284,7 +267,7 @@ static ssize_t cifs_stats_proc_write(struct file *file,
if (rc)
return rc;
- if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
+ if (strtobool(&c, &bv) == 0) {
#ifdef CONFIG_CIFS_STATS2
atomic_set(&totBufAllocCount, 0);
atomic_set(&totSmBufAllocCount, 0);
@@ -451,15 +434,14 @@ static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char c;
+ bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
- if (c == '0' || c == 'n' || c == 'N')
- cifsFYI = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- cifsFYI = 1;
+ if (strtobool(&c, &bv) == 0)
+ cifsFYI = bv;
else if ((c > '1') && (c <= '9'))
cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
@@ -490,15 +472,18 @@ static ssize_t cifs_linux_ext_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *ppos)
{
char c;
+ bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
- if (c == '0' || c == 'n' || c == 'N')
- linuxExtEnabled = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- linuxExtEnabled = 1;
+
+ rc = strtobool(&c, &bv);
+ if (rc)
+ return rc;
+
+ linuxExtEnabled = bv;
return count;
}
@@ -527,15 +512,18 @@ static ssize_t cifs_lookup_cache_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *ppos)
{
char c;
+ bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
- if (c == '0' || c == 'n' || c == 'N')
- lookupCacheEnabled = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- lookupCacheEnabled = 1;
+
+ rc = strtobool(&c, &bv);
+ if (rc)
+ return rc;
+
+ lookupCacheEnabled = bv;
return count;
}
@@ -564,15 +552,18 @@ static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char c;
+ bool bv;
int rc;
rc = get_user(c, buffer);
if (rc)
return rc;
- if (c == '0' || c == 'n' || c == 'N')
- traceSMB = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- traceSMB = 1;
+
+ rc = strtobool(&c, &bv);
+ if (rc)
+ return rc;
+
+ traceSMB = bv;
return count;
}
@@ -630,6 +621,7 @@ static ssize_t cifs_security_flags_proc_write(struct file *file,
unsigned int flags;
char flags_string[12];
char c;
+ bool bv;
if ((count < 1) || (count > 11))
return -EINVAL;
@@ -642,11 +634,8 @@ static ssize_t cifs_security_flags_proc_write(struct file *file,
if (count < 3) {
/* single char or single char followed by null */
c = flags_string[0];
- if (c == '0' || c == 'n' || c == 'N') {
- global_secflags = CIFSSEC_DEF; /* default */
- return count;
- } else if (c == '1' || c == 'y' || c == 'Y') {
- global_secflags = CIFSSEC_MAX;
+ if (strtobool(&c, &bv) == 0) {
+ global_secflags = bv ? CIFSSEC_MAX : CIFSSEC_DEF;
return count;
} else if (!isdigit(c)) {
cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",
diff --git a/fs/cifs/cifs_debug.h b/fs/cifs/cifs_debug.h
index c99b40fb609b..f40fbaca1b2a 100644
--- a/fs/cifs/cifs_debug.h
+++ b/fs/cifs/cifs_debug.h
@@ -53,13 +53,12 @@ __printf(1, 2) void cifs_vfs_err(const char *fmt, ...);
do { \
if (type == FYI) { \
if (cifsFYI & CIFS_INFO) { \
- printk(KERN_DEBUG "%s: " fmt, \
- __FILE__, ##__VA_ARGS__); \
+ pr_debug("%s: " fmt, __FILE__, ##__VA_ARGS__); \
} \
} else if (type == VFS) { \
cifs_vfs_err(fmt, ##__VA_ARGS__); \
} else if (type == NOISY && type != 0) { \
- printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
+ pr_debug(fmt, ##__VA_ARGS__); \
} \
} while (0)
@@ -71,7 +70,7 @@ do { \
#define cifs_dbg(type, fmt, ...) \
do { \
if (0) \
- printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
+ pr_debug(fmt, ##__VA_ARGS__); \
} while (0)
#endif
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 6d00c419cbae..1ea780bc6376 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -38,7 +38,7 @@ static const struct cifs_sid sid_everyone = {
1, 1, {0, 0, 0, 0, 0, 1}, {0} };
/* security id for Authenticated Users system group */
static const struct cifs_sid sid_authusers = {
- 1, 1, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(11)} };
+ 1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(11)} };
/* group users */
static const struct cifs_sid sid_user = {1, 2 , {0, 0, 0, 0, 0, 5}, {} };
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 9d7996e8e793..d72fe37f5420 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -209,8 +209,7 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf)
static long cifs_fallocate(struct file *file, int mode, loff_t off, loff_t len)
{
- struct super_block *sb = file->f_path.dentry->d_sb;
- struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
+ struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file);
struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
struct TCP_Server_Info *server = tcon->ses->server;
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 002e0c173939..252f5c15806b 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -136,5 +136,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
-#define CIFS_VERSION "2.05"
+#define CIFS_VERSION "2.06"
#endif /* _CIFSFS_H */
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 02a33e529904..6e139111fdb2 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1168,6 +1168,12 @@ CIFS_SB(struct super_block *sb)
return sb->s_fs_info;
}
+static inline struct cifs_sb_info *
+CIFS_FILE_SB(struct file *file)
+{
+ return CIFS_SB(file_inode(file)->i_sb);
+}
+
static inline char CIFS_DIR_SEP(const struct cifs_sb_info *cifs_sb)
{
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 61d00a6e398f..fa13d5e79f64 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2477,14 +2477,14 @@ CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
}
parm_data = (struct cifs_posix_lock *)
((char *)&pSMBr->hdr.Protocol + data_offset);
- if (parm_data->lock_type == __constant_cpu_to_le16(CIFS_UNLCK))
+ if (parm_data->lock_type == cpu_to_le16(CIFS_UNLCK))
pLockData->fl_type = F_UNLCK;
else {
if (parm_data->lock_type ==
- __constant_cpu_to_le16(CIFS_RDLCK))
+ cpu_to_le16(CIFS_RDLCK))
pLockData->fl_type = F_RDLCK;
else if (parm_data->lock_type ==
- __constant_cpu_to_le16(CIFS_WRLCK))
+ cpu_to_le16(CIFS_WRLCK))
pLockData->fl_type = F_WRLCK;
pLockData->fl_start = le64_to_cpu(parm_data->start);
@@ -3276,25 +3276,25 @@ CIFSSMB_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
pSMB->compression_state = cpu_to_le16(COMPRESSION_FORMAT_DEFAULT);
pSMB->TotalParameterCount = 0;
- pSMB->TotalDataCount = __constant_cpu_to_le32(2);
+ pSMB->TotalDataCount = cpu_to_le32(2);
pSMB->MaxParameterCount = 0;
pSMB->MaxDataCount = 0;
pSMB->MaxSetupCount = 4;
pSMB->Reserved = 0;
pSMB->ParameterOffset = 0;
- pSMB->DataCount = __constant_cpu_to_le32(2);
+ pSMB->DataCount = cpu_to_le32(2);
pSMB->DataOffset =
cpu_to_le32(offsetof(struct smb_com_transaction_compr_ioctl_req,
compression_state) - 4); /* 84 */
pSMB->SetupCount = 4;
- pSMB->SubCommand = __constant_cpu_to_le16(NT_TRANSACT_IOCTL);
+ pSMB->SubCommand = cpu_to_le16(NT_TRANSACT_IOCTL);
pSMB->ParameterCount = 0;
- pSMB->FunctionCode = __constant_cpu_to_le32(FSCTL_SET_COMPRESSION);
+ pSMB->FunctionCode = cpu_to_le32(FSCTL_SET_COMPRESSION);
pSMB->IsFsctl = 1; /* FSCTL */
pSMB->IsRootFlag = 0;
pSMB->Fid = fid; /* file handle always le */
/* 3 byte pad, followed by 2 byte compress state */
- pSMB->ByteCount = __constant_cpu_to_le16(5);
+ pSMB->ByteCount = cpu_to_le16(5);
inc_rfc1001_len(pSMB, 5);
rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -3430,10 +3430,10 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL,
cifs_acl->version = cpu_to_le16(1);
if (acl_type == ACL_TYPE_ACCESS) {
cifs_acl->access_entry_count = cpu_to_le16(count);
- cifs_acl->default_entry_count = __constant_cpu_to_le16(0xFFFF);
+ cifs_acl->default_entry_count = cpu_to_le16(0xFFFF);
} else if (acl_type == ACL_TYPE_DEFAULT) {
cifs_acl->default_entry_count = cpu_to_le16(count);
- cifs_acl->access_entry_count = __constant_cpu_to_le16(0xFFFF);
+ cifs_acl->access_entry_count = cpu_to_le16(0xFFFF);
} else {
cifs_dbg(FYI, "unknown ACL type %d\n", acl_type);
return 0;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 24fa08d261fb..2a772da16b83 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1466,9 +1466,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
vol->seal = 1;
break;
case Opt_noac:
- printk(KERN_WARNING "CIFS: Mount option noac not "
- "supported. Instead set "
- "/proc/fs/cifs/LookupCacheEnabled to 0\n");
+ pr_warn("CIFS: Mount option noac not supported. Instead set /proc/fs/cifs/LookupCacheEnabled to 0\n");
break;
case Opt_fsc:
#ifndef CONFIG_CIFS_FSCACHE
@@ -1598,7 +1596,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
if (strnlen(string, CIFS_MAX_USERNAME_LEN) >
CIFS_MAX_USERNAME_LEN) {
- printk(KERN_WARNING "CIFS: username too long\n");
+ pr_warn("CIFS: username too long\n");
goto cifs_parse_mount_err;
}
vol->username = kstrdup(string, GFP_KERNEL);
@@ -1662,8 +1660,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
temp_len = strlen(value);
vol->password = kzalloc(temp_len+1, GFP_KERNEL);
if (vol->password == NULL) {
- printk(KERN_WARNING "CIFS: no memory "
- "for password\n");
+ pr_warn("CIFS: no memory for password\n");
goto cifs_parse_mount_err;
}
@@ -1687,8 +1684,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
if (!cifs_convert_address(dstaddr, string,
strlen(string))) {
- printk(KERN_ERR "CIFS: bad ip= option (%s).\n",
- string);
+ pr_err("CIFS: bad ip= option (%s).\n", string);
goto cifs_parse_mount_err;
}
got_ip = true;
@@ -1700,15 +1696,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
if (strnlen(string, CIFS_MAX_DOMAINNAME_LEN)
== CIFS_MAX_DOMAINNAME_LEN) {
- printk(KERN_WARNING "CIFS: domain name too"
- " long\n");
+ pr_warn("CIFS: domain name too long\n");
goto cifs_parse_mount_err;
}
vol->domainname = kstrdup(string, GFP_KERNEL);
if (!vol->domainname) {
- printk(KERN_WARNING "CIFS: no memory "
- "for domainname\n");
+ pr_warn("CIFS: no memory for domainname\n");
goto cifs_parse_mount_err;
}
cifs_dbg(FYI, "Domain name set\n");
@@ -1721,8 +1715,8 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
if (!cifs_convert_address(
(struct sockaddr *)&vol->srcaddr,
string, strlen(string))) {
- printk(KERN_WARNING "CIFS: Could not parse"
- " srcaddr: %s\n", string);
+ pr_warn("CIFS: Could not parse srcaddr: %s\n",
+ string);
goto cifs_parse_mount_err;
}
break;
@@ -1732,8 +1726,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
goto out_nomem;
if (strnlen(string, 1024) >= 65) {
- printk(KERN_WARNING "CIFS: iocharset name "
- "too long.\n");
+ pr_warn("CIFS: iocharset name too long.\n");
goto cifs_parse_mount_err;
}
@@ -1741,8 +1734,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
vol->iocharset = kstrdup(string,
GFP_KERNEL);
if (!vol->iocharset) {
- printk(KERN_WARNING "CIFS: no memory"
- "for charset\n");
+ pr_warn("CIFS: no memory for charset\n");
goto cifs_parse_mount_err;
}
}
@@ -1773,9 +1765,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
* set at top of the function
*/
if (i == RFC1001_NAME_LEN && string[i] != 0)
- printk(KERN_WARNING "CIFS: netbiosname"
- " longer than 15 truncated.\n");
-
+ pr_warn("CIFS: netbiosname longer than 15 truncated.\n");
break;
case Opt_servern:
/* servernetbiosname specified override *SMBSERVER */
@@ -1801,8 +1791,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
/* The string has 16th byte zero still from
set at top of the function */
if (i == RFC1001_NAME_LEN && string[i] != 0)
- printk(KERN_WARNING "CIFS: server net"
- "biosname longer than 15 truncated.\n");
+ pr_warn("CIFS: server netbiosname longer than 15 truncated.\n");
break;
case Opt_ver:
string = match_strdup(args);
@@ -1814,8 +1803,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
break;
}
/* For all other value, error */
- printk(KERN_WARNING "CIFS: Invalid version"
- " specified\n");
+ pr_warn("CIFS: Invalid version specified\n");
goto cifs_parse_mount_err;
case Opt_vers:
string = match_strdup(args);
@@ -1856,7 +1844,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
}
if (!sloppy && invalid) {
- printk(KERN_ERR "CIFS: Unknown mount option \"%s\"\n", invalid);
+ pr_err("CIFS: Unknown mount option \"%s\"\n", invalid);
goto cifs_parse_mount_err;
}
@@ -1882,8 +1870,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
/* No ip= option specified? Try to get it from UNC */
if (!cifs_convert_address(dstaddr, &vol->UNC[2],
strlen(&vol->UNC[2]))) {
- printk(KERN_ERR "Unable to determine destination "
- "address.\n");
+ pr_err("Unable to determine destination address.\n");
goto cifs_parse_mount_err;
}
}
@@ -1894,20 +1881,18 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
if (uid_specified)
vol->override_uid = override_uid;
else if (override_uid == 1)
- printk(KERN_NOTICE "CIFS: ignoring forceuid mount option "
- "specified with no uid= option.\n");
+ pr_notice("CIFS: ignoring forceuid mount option specified with no uid= option.\n");
if (gid_specified)
vol->override_gid = override_gid;
else if (override_gid == 1)
- printk(KERN_NOTICE "CIFS: ignoring forcegid mount option "
- "specified with no gid= option.\n");
+ pr_notice("CIFS: ignoring forcegid mount option specified with no gid= option.\n");
kfree(mountdata_copy);
return 0;
out_nomem:
- printk(KERN_WARNING "Could not allocate temporary buffer\n");
+ pr_warn("Could not allocate temporary buffer\n");
cifs_parse_mount_err:
kfree(string);
kfree(mountdata_copy);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 3e4d00a06c44..96b7e9b7706d 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1066,7 +1066,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
max_num = (max_buf - sizeof(struct smb_hdr)) /
sizeof(LOCKING_ANDX_RANGE);
- buf = kzalloc(max_num * sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL);
+ buf = kcalloc(max_num, sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL);
if (!buf) {
free_xid(xid);
return -ENOMEM;
@@ -1401,7 +1401,7 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
max_num = (max_buf - sizeof(struct smb_hdr)) /
sizeof(LOCKING_ANDX_RANGE);
- buf = kzalloc(max_num * sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL);
+ buf = kcalloc(max_num, sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -1586,7 +1586,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
cifs_read_flock(flock, &type, &lock, &unlock, &wait_flag,
tcon->ses->server);
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ cifs_sb = CIFS_FILE_SB(file);
netfid = cfile->fid.netfid;
cinode = CIFS_I(file_inode(file));
@@ -2305,7 +2305,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
struct cifsFileInfo *smbfile = file->private_data;
- struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file);
struct inode *inode = file->f_mapping->host;
rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
@@ -2585,7 +2585,7 @@ cifs_iovec_write(struct file *file, struct iov_iter *from, loff_t *poffset)
iov_iter_truncate(from, len);
INIT_LIST_HEAD(&wdata_list);
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ cifs_sb = CIFS_FILE_SB(file);
open_file = file->private_data;
tcon = tlink_tcon(open_file->tlink);
@@ -3010,7 +3010,7 @@ ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to)
return 0;
INIT_LIST_HEAD(&rdata_list);
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ cifs_sb = CIFS_FILE_SB(file);
open_file = file->private_data;
tcon = tlink_tcon(open_file->tlink);
@@ -3155,7 +3155,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset)
__u32 pid;
xid = get_xid();
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ cifs_sb = CIFS_FILE_SB(file);
/* FIXME: set up handlers for larger reads and/or convert to async */
rsize = min_t(unsigned int, cifs_sb->rsize, CIFSMaxBufSize);
@@ -3462,7 +3462,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
int rc;
struct list_head tmplist;
struct cifsFileInfo *open_file = file->private_data;
- struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file);
struct TCP_Server_Info *server;
pid_t pid;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 197cb503d528..0c3ce464cae4 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -895,7 +895,7 @@ inode_has_hashed_dentries(struct inode *inode)
struct dentry *dentry;
spin_lock(&inode->i_lock);
- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
if (!d_unhashed(dentry) || IS_ROOT(dentry)) {
spin_unlock(&inode->i_lock);
return true;
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index b7415d596dbd..337946355b29 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -513,39 +513,11 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
void
dump_smb(void *buf, int smb_buf_length)
{
- int i, j;
- char debug_line[17];
- unsigned char *buffer = buf;
-
if (traceSMB == 0)
return;
- for (i = 0, j = 0; i < smb_buf_length; i++, j++) {
- if (i % 8 == 0) {
- /* have reached the beginning of line */
- printk(KERN_DEBUG "| ");
- j = 0;
- }
- printk("%0#4x ", buffer[i]);
- debug_line[2 * j] = ' ';
- if (isprint(buffer[i]))
- debug_line[1 + (2 * j)] = buffer[i];
- else
- debug_line[1 + (2 * j)] = '_';
-
- if (i % 8 == 7) {
- /* reached end of line, time to print ascii */
- debug_line[16] = 0;
- printk(" | %s\n", debug_line);
- }
- }
- for (; j < 8; j++) {
- printk(" ");
- debug_line[2 * j] = ' ';
- debug_line[1 + (2 * j)] = ' ';
- }
- printk(" | %s\n", debug_line);
- return;
+ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE, 8, 2, buf,
+ smb_buf_length, true);
}
void
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 8fd2a95860ba..8eaf20a80649 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -123,7 +123,7 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
if (!inode)
goto out;
- alias = d_materialise_unique(dentry, inode);
+ alias = d_splice_alias(inode, dentry);
if (alias && !IS_ERR(alias))
dput(alias);
out:
@@ -261,7 +261,7 @@ initiate_cifs_search(const unsigned int xid, struct file *file)
int rc = 0;
char *full_path = NULL;
struct cifsFileInfo *cifsFile;
- struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file);
struct tcon_link *tlink = NULL;
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
@@ -561,7 +561,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos,
loff_t first_entry_in_buffer;
loff_t index_to_find = pos;
struct cifsFileInfo *cfile = file->private_data;
- struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file);
struct TCP_Server_Info *server = tcon->ses->server;
/* check if index in the buffer */
@@ -679,7 +679,7 @@ static int cifs_filldir(char *find_entry, struct file *file,
char *scratch_buf, unsigned int max_len)
{
struct cifsFileInfo *file_info = file->private_data;
- struct super_block *sb = file->f_path.dentry->d_sb;
+ struct super_block *sb = file_inode(file)->i_sb;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct cifs_dirent de = { NULL, };
struct cifs_fattr fattr;
@@ -753,7 +753,7 @@ static int cifs_filldir(char *find_entry, struct file *file,
*/
fattr.cf_flags |= CIFS_FATTR_NEED_REVAL;
- cifs_prime_dcache(file->f_dentry, &name, &fattr);
+ cifs_prime_dcache(file->f_path.dentry, &name, &fattr);
ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid);
return !dir_emit(ctx, name.name, name.len, ino, fattr.cf_dtype);
@@ -794,10 +794,6 @@ int cifs_readdir(struct file *file, struct dir_context *ctx)
if it before then restart search
if after then keep searching till find it */
- if (file->private_data == NULL) {
- rc = -EINVAL;
- goto rddir2_exit;
- }
cifsFile = file->private_data;
if (cifsFile->srch_inf.endOfSearch) {
if (cifsFile->srch_inf.emptyDir) {
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 57db63ff88da..bce6fdcd5d48 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -46,7 +46,7 @@ static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB)
CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4,
USHRT_MAX));
pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
- pSMB->req.VcNumber = __constant_cpu_to_le16(1);
+ pSMB->req.VcNumber = cpu_to_le16(1);
/* Now no need to set SMBFLG_CASELESS or obsolete CANONICAL PATH */
@@ -1303,6 +1303,11 @@ sess_auth_rawntlmssp_authenticate(struct sess_data *sess_data)
if (le16_to_cpu(pSMB->resp.Action) & GUEST_LOGIN)
cifs_dbg(FYI, "Guest login\n"); /* BB mark SesInfo struct? */
+ if (ses->Suid != smb_buf->Uid) {
+ ses->Suid = smb_buf->Uid;
+ cifs_dbg(FYI, "UID changed! new UID = %llu\n", ses->Suid);
+ }
+
bytes_remaining = get_bcc(smb_buf);
bcc_ptr = pByteArea(smb_buf);
blob_len = le16_to_cpu(pSMB->resp.SecurityBlobLength);
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index 45992944e238..7198eac5dddd 100644
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -111,7 +111,7 @@ smb2_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
return -EINVAL;
max_num = max_buf / sizeof(struct smb2_lock_element);
- buf = kzalloc(max_num * sizeof(struct smb2_lock_element), GFP_KERNEL);
+ buf = kcalloc(max_num, sizeof(struct smb2_lock_element), GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -247,7 +247,7 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
}
max_num = max_buf / sizeof(struct smb2_lock_element);
- buf = kzalloc(max_num * sizeof(struct smb2_lock_element), GFP_KERNEL);
+ buf = kcalloc(max_num, sizeof(struct smb2_lock_element), GFP_KERNEL);
if (!buf) {
free_xid(xid);
return -ENOMEM;
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 1a08a34838fc..f1cefc9763ed 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -67,27 +67,27 @@ check_smb2_hdr(struct smb2_hdr *hdr, __u64 mid)
* indexed by command in host byte order
*/
static const __le16 smb2_rsp_struct_sizes[NUMBER_OF_SMB2_COMMANDS] = {
- /* SMB2_NEGOTIATE */ __constant_cpu_to_le16(65),
- /* SMB2_SESSION_SETUP */ __constant_cpu_to_le16(9),
- /* SMB2_LOGOFF */ __constant_cpu_to_le16(4),
- /* SMB2_TREE_CONNECT */ __constant_cpu_to_le16(16),
- /* SMB2_TREE_DISCONNECT */ __constant_cpu_to_le16(4),
- /* SMB2_CREATE */ __constant_cpu_to_le16(89),
- /* SMB2_CLOSE */ __constant_cpu_to_le16(60),
- /* SMB2_FLUSH */ __constant_cpu_to_le16(4),
- /* SMB2_READ */ __constant_cpu_to_le16(17),
- /* SMB2_WRITE */ __constant_cpu_to_le16(17),
- /* SMB2_LOCK */ __constant_cpu_to_le16(4),
- /* SMB2_IOCTL */ __constant_cpu_to_le16(49),
+ /* SMB2_NEGOTIATE */ cpu_to_le16(65),
+ /* SMB2_SESSION_SETUP */ cpu_to_le16(9),
+ /* SMB2_LOGOFF */ cpu_to_le16(4),
+ /* SMB2_TREE_CONNECT */ cpu_to_le16(16),
+ /* SMB2_TREE_DISCONNECT */ cpu_to_le16(4),
+ /* SMB2_CREATE */ cpu_to_le16(89),
+ /* SMB2_CLOSE */ cpu_to_le16(60),
+ /* SMB2_FLUSH */ cpu_to_le16(4),
+ /* SMB2_READ */ cpu_to_le16(17),
+ /* SMB2_WRITE */ cpu_to_le16(17),
+ /* SMB2_LOCK */ cpu_to_le16(4),
+ /* SMB2_IOCTL */ cpu_to_le16(49),
/* BB CHECK this ... not listed in documentation */
- /* SMB2_CANCEL */ __constant_cpu_to_le16(0),
- /* SMB2_ECHO */ __constant_cpu_to_le16(4),
- /* SMB2_QUERY_DIRECTORY */ __constant_cpu_to_le16(9),
- /* SMB2_CHANGE_NOTIFY */ __constant_cpu_to_le16(9),
- /* SMB2_QUERY_INFO */ __constant_cpu_to_le16(9),
- /* SMB2_SET_INFO */ __constant_cpu_to_le16(2),
+ /* SMB2_CANCEL */ cpu_to_le16(0),
+ /* SMB2_ECHO */ cpu_to_le16(4),
+ /* SMB2_QUERY_DIRECTORY */ cpu_to_le16(9),
+ /* SMB2_CHANGE_NOTIFY */ cpu_to_le16(9),
+ /* SMB2_QUERY_INFO */ cpu_to_le16(9),
+ /* SMB2_SET_INFO */ cpu_to_le16(2),
/* BB FIXME can also be 44 for lease break */
- /* SMB2_OPLOCK_BREAK */ __constant_cpu_to_le16(24)
+ /* SMB2_OPLOCK_BREAK */ cpu_to_le16(24)
};
int
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index c5f521bcdee2..93fd0586f9ec 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -600,7 +600,7 @@ smb2_clone_range(const unsigned int xid,
goto cchunk_out;
/* For now array only one chunk long, will make more flexible later */
- pcchunk->ChunkCount = __constant_cpu_to_le32(1);
+ pcchunk->ChunkCount = cpu_to_le32(1);
pcchunk->Reserved = 0;
pcchunk->Reserved2 = 0;
@@ -1102,6 +1102,64 @@ static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon,
return rc;
}
+static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon,
+ loff_t off, loff_t len, bool keep_size)
+{
+ struct inode *inode;
+ struct cifsInodeInfo *cifsi;
+ struct cifsFileInfo *cfile = file->private_data;
+ long rc = -EOPNOTSUPP;
+ unsigned int xid;
+
+ xid = get_xid();
+
+ inode = cfile->dentry->d_inode;
+ cifsi = CIFS_I(inode);
+
+ /* if file not oplocked can't be sure whether asking to extend size */
+ if (!CIFS_CACHE_READ(cifsi))
+ if (keep_size == false)
+ return -EOPNOTSUPP;
+
+ /*
+ * Files are non-sparse by default so falloc may be a no-op
+ * Must check if file sparse. If not sparse, and not extending
+ * then no need to do anything since file already allocated
+ */
+ if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) == 0) {
+ if (keep_size == true)
+ return 0;
+ /* check if extending file */
+ else if (i_size_read(inode) >= off + len)
+ /* not extending file and already not sparse */
+ return 0;
+ /* BB: in future add else clause to extend file */
+ else
+ return -EOPNOTSUPP;
+ }
+
+ if ((keep_size == true) || (i_size_read(inode) >= off + len)) {
+ /*
+ * Check if falloc starts within first few pages of file
+ * and ends within a few pages of the end of file to
+ * ensure that most of file is being forced to be
+ * fallocated now. If so then setting whole file sparse
+ * ie potentially making a few extra pages at the beginning
+ * or end of the file non-sparse via set_sparse is harmless.
+ */
+ if ((off > 8192) || (off + len + 8192 < i_size_read(inode)))
+ return -EOPNOTSUPP;
+
+ rc = smb2_set_sparse(xid, tcon, cfile, inode, false);
+ }
+ /* BB: else ... in future add code to extend file and set sparse */
+
+
+ free_xid(xid);
+ return rc;
+}
+
+
static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode,
loff_t off, loff_t len)
{
@@ -1112,7 +1170,10 @@ static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode,
if (mode & FALLOC_FL_KEEP_SIZE)
return smb3_zero_range(file, tcon, off, len, true);
return smb3_zero_range(file, tcon, off, len, false);
- }
+ } else if (mode == FALLOC_FL_KEEP_SIZE)
+ return smb3_simple_falloc(file, tcon, off, len, true);
+ else if (mode == 0)
+ return smb3_simple_falloc(file, tcon, off, len, false);
return -EOPNOTSUPP;
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 8f1672bb82d5..3417340bf89e 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -431,8 +431,7 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
if (rc)
goto neg_exit;
if (blob_length)
- rc = decode_neg_token_init(security_blob, blob_length,
- &server->sec_type);
+ rc = decode_negTokenInit(security_blob, blob_length, server);
if (rc == 1)
rc = 0;
else if (rc == 0) {
@@ -1359,7 +1358,7 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
char *ret_data = NULL;
fsctl_input.CompressionState =
- __constant_cpu_to_le16(COMPRESSION_FORMAT_DEFAULT);
+ cpu_to_le16(COMPRESSION_FORMAT_DEFAULT);
rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid,
FSCTL_SET_COMPRESSION, true /* is_fsctl */,
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index e3188abdafd0..ce858477002a 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -85,7 +85,7 @@
/* BB FIXME - analyze following length BB */
#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
-#define SMB2_PROTO_NUMBER __constant_cpu_to_le32(0x424d53fe)
+#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
/*
* SMB2 Header Definition
@@ -96,7 +96,7 @@
*
*/
-#define SMB2_HEADER_STRUCTURE_SIZE __constant_cpu_to_le16(64)
+#define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
struct smb2_hdr {
__be32 smb2_buf_length; /* big endian on wire */
@@ -137,16 +137,16 @@ struct smb2_transform_hdr {
} __packed;
/* Encryption Algorithms */
-#define SMB2_ENCRYPTION_AES128_CCM __constant_cpu_to_le16(0x0001)
+#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
/*
* SMB2 flag definitions
*/
-#define SMB2_FLAGS_SERVER_TO_REDIR __constant_cpu_to_le32(0x00000001)
-#define SMB2_FLAGS_ASYNC_COMMAND __constant_cpu_to_le32(0x00000002)
-#define SMB2_FLAGS_RELATED_OPERATIONS __constant_cpu_to_le32(0x00000004)
-#define SMB2_FLAGS_SIGNED __constant_cpu_to_le32(0x00000008)
-#define SMB2_FLAGS_DFS_OPERATIONS __constant_cpu_to_le32(0x10000000)
+#define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001)
+#define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002)
+#define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004)
+#define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008)
+#define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000)
/*
* Definitions for SMB2 Protocol Data Units (network frames)
@@ -157,7 +157,7 @@ struct smb2_transform_hdr {
*
*/
-#define SMB2_ERROR_STRUCTURE_SIZE2 __constant_cpu_to_le16(9)
+#define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
struct smb2_err_rsp {
struct smb2_hdr hdr;
@@ -502,12 +502,12 @@ struct create_context {
#define SMB2_LEASE_HANDLE_CACHING_HE 0x02
#define SMB2_LEASE_WRITE_CACHING_HE 0x04
-#define SMB2_LEASE_NONE __constant_cpu_to_le32(0x00)
-#define SMB2_LEASE_READ_CACHING __constant_cpu_to_le32(0x01)
-#define SMB2_LEASE_HANDLE_CACHING __constant_cpu_to_le32(0x02)
-#define SMB2_LEASE_WRITE_CACHING __constant_cpu_to_le32(0x04)
+#define SMB2_LEASE_NONE cpu_to_le32(0x00)
+#define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01)
+#define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02)
+#define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04)
-#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS __constant_cpu_to_le32(0x02)
+#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
#define SMB2_LEASE_KEY_SIZE 16
@@ -836,6 +836,25 @@ struct smb2_query_directory_rsp {
#define SMB2_O_INFO_SECURITY 0x03
#define SMB2_O_INFO_QUOTA 0x04
+/* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
+#define OWNER_SECINFO 0x00000001
+#define GROUP_SECINFO 0x00000002
+#define DACL_SECINFO 0x00000004
+#define SACL_SECINFO 0x00000008
+#define LABEL_SECINFO 0x00000010
+#define ATTRIBUTE_SECINFO 0x00000020
+#define SCOPE_SECINFO 0x00000040
+#define BACKUP_SECINFO 0x00010000
+#define UNPROTECTED_SACL_SECINFO 0x10000000
+#define UNPROTECTED_DACL_SECINFO 0x20000000
+#define PROTECTED_SACL_SECINFO 0x40000000
+#define PROTECTED_DACL_SECINFO 0x80000000
+
+/* Flags used for FileFullEAinfo */
+#define SL_RESTART_SCAN 0x00000001
+#define SL_RETURN_SINGLE_ENTRY 0x00000002
+#define SL_INDEX_SPECIFIED 0x00000004
+
struct smb2_query_info_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 41 */
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 9d087f4e7d4e..126f46b887cc 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -99,9 +99,9 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
something is wrong, unless it is quite a slow link or server */
if ((now - midEntry->when_alloc) > HZ) {
if ((cifsFYI & CIFS_TIMER) && (midEntry->command != command)) {
- printk(KERN_DEBUG " CIFS slow rsp: cmd %d mid %llu",
+ pr_debug(" CIFS slow rsp: cmd %d mid %llu",
midEntry->command, midEntry->mid);
- printk(" A: 0x%lx S: 0x%lx R: 0x%lx\n",
+ pr_info(" A: 0x%lx S: 0x%lx R: 0x%lx\n",
now - midEntry->when_alloc,
now - midEntry->when_sent,
now - midEntry->when_received);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.