diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/namei.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/namei.c b/fs/namei.c index 519900d83bcb..18ea0606145e 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -498,12 +498,15 @@ struct path { struct dentry *dentry; }; -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 error; + struct dentry *dentry = path->dentry; touch_atime(nd->mnt, dentry); nd_set_link(nd, NULL); + + mntget(path->mnt); error = dentry->d_inode->i_op->follow_link(dentry, nd); if (!error) { char *s = nd_get_link(nd); @@ -512,6 +515,8 @@ static inline int __do_follow_link(struct dentry *dentry, struct nameidata *nd) if (dentry->d_inode->i_op->put_link) dentry->d_inode->i_op->put_link(dentry, nd); } + dput(dentry); + mntput(path->mnt); return error; } @@ -538,10 +543,7 @@ static inline int do_follow_link(struct path *path, struct nameidata *nd) current->link_count++; current->total_link_count++; nd->depth++; - mntget(path->mnt); - err = __do_follow_link(path->dentry, nd); - dput(path->dentry); - mntput(path->mnt); + err = __do_follow_link(path, nd); current->link_count--; nd->depth--; return err; @@ -1523,10 +1525,7 @@ do_link: error = security_inode_follow_link(path.dentry, nd); if (error) goto exit_dput; - mntget(path.mnt); - error = __do_follow_link(path.dentry, nd); - dput(path.dentry); - mntput(path.mnt); + error = __do_follow_link(&path, nd); path.mnt = nd->mnt; if (error) return error; |