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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-02 01:06:21 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 05:12:53 -0400
commit98bc993f99e51467057ef699e47fec020f24d233 (patch)
tree9d1d1dd5b1116b1cff0b32884ca6165ae29d236c /kernel
parent421748ecde8e69a6364e5ae66eb3bf87e1f995c0 (diff)
[PATCH] get rid of nameidata in audit_tree
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/audit_tree.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index f7921a2ecf16..8ba0e0d934f2 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -532,7 +532,7 @@ void audit_trim_trees(void)
532 list_add(&cursor, &tree_list); 532 list_add(&cursor, &tree_list);
533 while (cursor.next != &tree_list) { 533 while (cursor.next != &tree_list) {
534 struct audit_tree *tree; 534 struct audit_tree *tree;
535 struct nameidata nd; 535 struct path path;
536 struct vfsmount *root_mnt; 536 struct vfsmount *root_mnt;
537 struct node *node; 537 struct node *node;
538 struct list_head list; 538 struct list_head list;
@@ -544,12 +544,12 @@ void audit_trim_trees(void)
544 list_add(&cursor, &tree->list); 544 list_add(&cursor, &tree->list);
545 mutex_unlock(&audit_filter_mutex); 545 mutex_unlock(&audit_filter_mutex);
546 546
547 err = path_lookup(tree->pathname, 0, &nd); 547 err = kern_path(tree->pathname, 0, &path);
548 if (err) 548 if (err)
549 goto skip_it; 549 goto skip_it;
550 550
551 root_mnt = collect_mounts(nd.path.mnt, nd.path.dentry); 551 root_mnt = collect_mounts(path.mnt, path.dentry);
552 path_put(&nd.path); 552 path_put(&path);
553 if (!root_mnt) 553 if (!root_mnt)
554 goto skip_it; 554 goto skip_it;
555 555
@@ -580,19 +580,19 @@ skip_it:
580} 580}
581 581
582static int is_under(struct vfsmount *mnt, struct dentry *dentry, 582static int is_under(struct vfsmount *mnt, struct dentry *dentry,
583 struct nameidata *nd) 583 struct path *path)
584{ 584{
585 if (mnt != nd->path.mnt) { 585 if (mnt != path->mnt) {
586 for (;;) { 586 for (;;) {
587 if (mnt->mnt_parent == mnt) 587 if (mnt->mnt_parent == mnt)
588 return 0; 588 return 0;
589 if (mnt->mnt_parent == nd->path.mnt) 589 if (mnt->mnt_parent == path->mnt)
590 break; 590 break;
591 mnt = mnt->mnt_parent; 591 mnt = mnt->mnt_parent;
592 } 592 }
593 dentry = mnt->mnt_mountpoint; 593 dentry = mnt->mnt_mountpoint;
594 } 594 }
595 return is_subdir(dentry, nd->path.dentry); 595 return is_subdir(dentry, path->dentry);
596} 596}
597 597
598int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op) 598int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op)
@@ -618,7 +618,7 @@ void audit_put_tree(struct audit_tree *tree)
618int audit_add_tree_rule(struct audit_krule *rule) 618int audit_add_tree_rule(struct audit_krule *rule)
619{ 619{
620 struct audit_tree *seed = rule->tree, *tree; 620 struct audit_tree *seed = rule->tree, *tree;
621 struct nameidata nd; 621 struct path path;
622 struct vfsmount *mnt, *p; 622 struct vfsmount *mnt, *p;
623 struct list_head list; 623 struct list_head list;
624 int err; 624 int err;
@@ -637,11 +637,11 @@ int audit_add_tree_rule(struct audit_krule *rule)
637 /* do not set rule->tree yet */ 637 /* do not set rule->tree yet */
638 mutex_unlock(&audit_filter_mutex); 638 mutex_unlock(&audit_filter_mutex);
639 639
640 err = path_lookup(tree->pathname, 0, &nd); 640 err = kern_path(tree->pathname, 0, &path);
641 if (err) 641 if (err)
642 goto Err; 642 goto Err;
643 mnt = collect_mounts(nd.path.mnt, nd.path.dentry); 643 mnt = collect_mounts(path.mnt, path.dentry);
644 path_put(&nd.path); 644 path_put(&path);
645 if (!mnt) { 645 if (!mnt) {
646 err = -ENOMEM; 646 err = -ENOMEM;
647 goto Err; 647 goto Err;
@@ -690,29 +690,29 @@ int audit_tag_tree(char *old, char *new)
690{ 690{
691 struct list_head cursor, barrier; 691 struct list_head cursor, barrier;
692 int failed = 0; 692 int failed = 0;
693 struct nameidata nd; 693 struct path path;
694 struct vfsmount *tagged; 694 struct vfsmount *tagged;
695 struct list_head list; 695 struct list_head list;
696 struct vfsmount *mnt; 696 struct vfsmount *mnt;
697 struct dentry *dentry; 697 struct dentry *dentry;
698 int err; 698 int err;
699 699
700 err = path_lookup(new, 0, &nd); 700 err = kern_path(new, 0, &path);
701 if (err) 701 if (err)
702 return err; 702 return err;
703 tagged = collect_mounts(nd.path.mnt, nd.path.dentry); 703 tagged = collect_mounts(path.mnt, path.dentry);
704 path_put(&nd.path); 704 path_put(&path);
705 if (!tagged) 705 if (!tagged)
706 return -ENOMEM; 706 return -ENOMEM;
707 707
708 err = path_lookup(old, 0, &nd); 708 err = kern_path(old, 0, &path);
709 if (err) { 709 if (err) {
710 drop_collected_mounts(tagged); 710 drop_collected_mounts(tagged);
711 return err; 711 return err;
712 } 712 }
713 mnt = mntget(nd.path.mnt); 713 mnt = mntget(path.mnt);
714 dentry = dget(nd.path.dentry); 714 dentry = dget(path.dentry);
715 path_put(&nd.path); 715 path_put(&path);
716 716
717 if (dentry == tagged->mnt_root && dentry == mnt->mnt_root) 717 if (dentry == tagged->mnt_root && dentry == mnt->mnt_root)
718 follow_up(&mnt, &dentry); 718 follow_up(&mnt, &dentry);
@@ -733,7 +733,7 @@ int audit_tag_tree(char *old, char *new)
733 list_add(&cursor, &tree->list); 733 list_add(&cursor, &tree->list);
734 mutex_unlock(&audit_filter_mutex); 734 mutex_unlock(&audit_filter_mutex);
735 735
736 err = path_lookup(tree->pathname, 0, &nd); 736 err = kern_path(tree->pathname, 0, &path);
737 if (err) { 737 if (err) {
738 put_tree(tree); 738 put_tree(tree);
739 mutex_lock(&audit_filter_mutex); 739 mutex_lock(&audit_filter_mutex);
@@ -741,15 +741,15 @@ int audit_tag_tree(char *old, char *new)
741 } 741 }
742 742
743 spin_lock(&vfsmount_lock); 743 spin_lock(&vfsmount_lock);
744 if (!is_under(mnt, dentry, &nd)) { 744 if (!is_under(mnt, dentry, &path)) {
745 spin_unlock(&vfsmount_lock); 745 spin_unlock(&vfsmount_lock);
746 path_put(&nd.path); 746 path_put(&path);
747 put_tree(tree); 747 put_tree(tree);
748 mutex_lock(&audit_filter_mutex); 748 mutex_lock(&audit_filter_mutex);
749 continue; 749 continue;
750 } 750 }
751 spin_unlock(&vfsmount_lock); 751 spin_unlock(&vfsmount_lock);
752 path_put(&nd.path); 752 path_put(&path);
753 753
754 list_for_each_entry(p, &list, mnt_list) { 754 list_for_each_entry(p, &list, mnt_list) {
755 failed = tag_chunk(p->mnt_root->d_inode, tree); 755 failed = tag_chunk(p->mnt_root->d_inode, tree);