diff options
| -rw-r--r-- | fs/namei.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/namei.c b/fs/namei.c index abeec34e755..12d75ed214f 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -526,6 +526,7 @@ static inline int __do_follow_link(struct dentry *dentry, struct nameidata *nd) static inline int do_follow_link(struct path *path, struct nameidata *nd) { int err = -ELOOP; + mntget(path->mnt); if (current->link_count >= MAX_NESTED_LINKS) goto loop; if (current->total_link_count >= 40) @@ -541,9 +542,13 @@ static inline int do_follow_link(struct path *path, struct nameidata *nd) err = __do_follow_link(path->dentry, nd); current->link_count--; nd->depth--; + dput(path->dentry); + mntput(path->mnt); return err; loop: path_release(nd); + dput(path->dentry); + mntput(path->mnt); return err; } @@ -783,10 +788,7 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd) goto out_dput; if (inode->i_op->follow_link) { - mntget(next.mnt); err = do_follow_link(&next, nd); - dput(next.dentry); - mntput(next.mnt); if (err) goto return_err; err = -ENOENT; @@ -837,10 +839,7 @@ last_component: inode = next.dentry->d_inode; if ((lookup_flags & LOOKUP_FOLLOW) && inode && inode->i_op && inode->i_op->follow_link) { - mntget(next.mnt); err = do_follow_link(&next, nd); - dput(next.dentry); - mntput(next.mnt); if (err) goto return_err; inode = nd->dentry->d_inode; |