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-rw-r--r--fs/namei.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/namei.c b/fs/namei.c
index dd78f01b6de8..abeec34e7553 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -493,6 +493,11 @@ fail:
493 return PTR_ERR(link); 493 return PTR_ERR(link);
494} 494}
495 495
496struct path {
497 struct vfsmount *mnt;
498 struct dentry *dentry;
499};
500
496static inline int __do_follow_link(struct dentry *dentry, struct nameidata *nd) 501static inline int __do_follow_link(struct dentry *dentry, struct nameidata *nd)
497{ 502{
498 int error; 503 int error;
@@ -518,7 +523,7 @@ static inline int __do_follow_link(struct dentry *dentry, struct nameidata *nd)
518 * Without that kind of total limit, nasty chains of consecutive 523 * Without that kind of total limit, nasty chains of consecutive
519 * symlinks can cause almost arbitrarily long lookups. 524 * symlinks can cause almost arbitrarily long lookups.
520 */ 525 */
521static inline int do_follow_link(struct dentry *dentry, struct nameidata *nd) 526static inline int do_follow_link(struct path *path, struct nameidata *nd)
522{ 527{
523 int err = -ELOOP; 528 int err = -ELOOP;
524 if (current->link_count >= MAX_NESTED_LINKS) 529 if (current->link_count >= MAX_NESTED_LINKS)
@@ -527,13 +532,13 @@ static inline int do_follow_link(struct dentry *dentry, struct nameidata *nd)
527 goto loop; 532 goto loop;
528 BUG_ON(nd->depth >= MAX_NESTED_LINKS); 533 BUG_ON(nd->depth >= MAX_NESTED_LINKS);
529 cond_resched(); 534 cond_resched();
530 err = security_inode_follow_link(dentry, nd); 535 err = security_inode_follow_link(path->dentry, nd);
531 if (err) 536 if (err)
532 goto loop; 537 goto loop;
533 current->link_count++; 538 current->link_count++;
534 current->total_link_count++; 539 current->total_link_count++;
535 nd->depth++; 540 nd->depth++;
536 err = __do_follow_link(dentry, nd); 541 err = __do_follow_link(path->dentry, nd);
537 current->link_count--; 542 current->link_count--;
538 nd->depth--; 543 nd->depth--;
539 return err; 544 return err;
@@ -641,11 +646,6 @@ static inline void follow_dotdot(struct vfsmount **mnt, struct dentry **dentry)
641 follow_mount(mnt, dentry); 646 follow_mount(mnt, dentry);
642} 647}
643 648
644struct path {
645 struct vfsmount *mnt;
646 struct dentry *dentry;
647};
648
649/* 649/*
650 * It's more convoluted than I'd like it to be, but... it's still fairly 650 * It's more convoluted than I'd like it to be, but... it's still fairly
651 * small and for now I'd prefer to have fast path as straight as possible. 651 * small and for now I'd prefer to have fast path as straight as possible.
@@ -784,7 +784,7 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd)
784 784
785 if (inode->i_op->follow_link) { 785 if (inode->i_op->follow_link) {
786 mntget(next.mnt); 786 mntget(next.mnt);
787 err = do_follow_link(next.dentry, nd); 787 err = do_follow_link(&next, nd);
788 dput(next.dentry); 788 dput(next.dentry);
789 mntput(next.mnt); 789 mntput(next.mnt);
790 if (err) 790 if (err)
@@ -838,7 +838,7 @@ last_component:
838 if ((lookup_flags & LOOKUP_FOLLOW) 838 if ((lookup_flags & LOOKUP_FOLLOW)
839 && inode && inode->i_op && inode->i_op->follow_link) { 839 && inode && inode->i_op && inode->i_op->follow_link) {
840 mntget(next.mnt); 840 mntget(next.mnt);
841 err = do_follow_link(next.dentry, nd); 841 err = do_follow_link(&next, nd);
842 dput(next.dentry); 842 dput(next.dentry);
843 mntput(next.mnt); 843 mntput(next.mnt);
844 if (err) 844 if (err)