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Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

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* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  vfs: make unlink() and rmdir() return ENOENT in preference to EROFS
  lmLogOpen() broken failure exit
  usb: remove bad dput after dentry_unhash
  more conservative S_NOSEC handling
This commit is contained in:
Linus Torvalds 2011-06-07 18:36:59 -07:00
commit 8397345172
9 changed files with 16 additions and 11 deletions
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1
drivers/usb/core/inode.c
View File

@ -389,7 +389,6 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry)
mutex_unlock(&inode->i_mutex);
if (!error)
d_delete(dentry);
dput(dentry);
return error;
}

2
fs/btrfs/super.c
View File

@ -825,7 +825,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
} else {
char b[BDEVNAME_SIZE];
s->s_flags = flags;
s->s_flags = flags | MS_NOSEC;
strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
error = btrfs_fill_super(s, fs_devices, data,
flags & MS_SILENT ? 1 : 0);

2
fs/fuse/inode.c
View File

@ -921,6 +921,8 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
if (sb->s_flags & MS_MANDLOCK)
goto err;
sb->s_flags &= ~MS_NOSEC;
if (!parse_fuse_opt((char *) data, &d, is_bdev))
goto err;

2
fs/jfs/jfs_logmgr.c
View File

@ -1123,7 +1123,7 @@ int lmLogOpen(struct super_block *sb)
bdev = blkdev_get_by_dev(sbi->logdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
log);
if (IS_ERR(bdev)) {
rc = -PTR_ERR(bdev);
rc = PTR_ERR(bdev);
goto free;
}

11
fs/namei.c
View File

@ -2624,6 +2624,10 @@ static long do_rmdir(int dfd, const char __user *pathname)
error = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto exit2;
if (!dentry->d_inode) {
error = -ENOENT;
goto exit3;
}
error = mnt_want_write(nd.path.mnt);
if (error)
goto exit3;
@ -2709,11 +2713,10 @@ static long do_unlinkat(int dfd, const char __user *pathname)
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
/* Why not before? Because we want correct error value */
if (nd.last.name[nd.last.len])
goto slashes;
inode = dentry->d_inode;
if (inode)
ihold(inode);
if (nd.last.name[nd.last.len] || !inode)
goto slashes;
ihold(inode);
error = mnt_want_write(nd.path.mnt);
if (error)
goto exit2;

2
fs/ocfs2/super.c
View File

@ -1072,7 +1072,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = OCFS2_SUPER_MAGIC;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
sb->s_flags = (sb->s_flags & ~(MS_POSIXACL | MS_NOSEC)) |
((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
/* Hard readonly mode only if: bdev_read_only, MS_RDONLY,

2
fs/super.c
View File

@ -822,7 +822,7 @@ struct dentry *mount_bdev(struct file_system_type *fs_type,
} else {
char b[BDEVNAME_SIZE];
s->s_flags = flags;
s->s_flags = flags | MS_NOSEC;
s->s_mode = mode;
strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
sb_set_blocksize(s, block_size(bdev));

3
include/linux/fs.h
View File

@ -208,6 +208,7 @@ struct inodes_stat_t {
#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
#define MS_I_VERSION (1<<23) /* Update inode I_version field */
#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
#define MS_NOSEC (1<<28)
#define MS_BORN (1<<29)
#define MS_ACTIVE (1<<30)
#define MS_NOUSER (1<<31)
@ -2591,7 +2592,7 @@ static inline int is_sxid(mode_t mode)
static inline void inode_has_no_xattr(struct inode *inode)
{
if (!is_sxid(inode->i_mode))
if (!is_sxid(inode->i_mode) && (inode->i_sb->s_flags & MS_NOSEC))
inode->i_flags |= S_NOSEC;
}

2
mm/filemap.c
View File

@ -2000,7 +2000,7 @@ int file_remove_suid(struct file *file)
error = security_inode_killpriv(dentry);
if (!error && killsuid)
error = __remove_suid(dentry, killsuid);
if (!error)
if (!error && (inode->i_sb->s_flags & MS_NOSEC))
inode->i_flags |= S_NOSEC;
return error;