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-rw-r--r--fs/namei.c11
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;