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authorCody P Schafer <cody@linux.vnet.ibm.com>2014-01-23 15:56:08 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-23 16:37:03 -0800
commitbb25e49ff8ab0ef0b3c073c09d55cf10ef8a2aa0 (patch)
tree0eb5d1ca02d4e9caccd9716e35d5baa448eb73c8 /fs/ubifs/super.c
parentb182837ac111e87f8e82cbcb0046449d9412187f (diff)
downloadop-kernel-dev-bb25e49ff8ab0ef0b3c073c09d55cf10ef8a2aa0.zip
op-kernel-dev-bb25e49ff8ab0ef0b3c073c09d55cf10ef8a2aa0.tar.gz
fs/ubifs: use rbtree postorder iteration helper instead of opencoding
Use rbtree_postorder_for_each_entry_safe() to destroy the rbtree instead of opencoding an alternate postorder iteration that modifies the tree Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: Michel Lespinasse <walken@google.com> Cc: Jan Kara <jack@suse.cz> Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ubifs/super.c')
-rw-r--r--fs/ubifs/super.c24
1 files changed, 4 insertions, 20 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index f69daa5..5ded849 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -873,26 +873,10 @@ static void free_orphans(struct ubifs_info *c)
*/
static void free_buds(struct ubifs_info *c)
{
- struct rb_node *this = c->buds.rb_node;
- struct ubifs_bud *bud;
-
- while (this) {
- if (this->rb_left)
- this = this->rb_left;
- else if (this->rb_right)
- this = this->rb_right;
- else {
- bud = rb_entry(this, struct ubifs_bud, rb);
- this = rb_parent(this);
- if (this) {
- if (this->rb_left == &bud->rb)
- this->rb_left = NULL;
- else
- this->rb_right = NULL;
- }
- kfree(bud);
- }
- }
+ struct ubifs_bud *bud, *n;
+
+ rbtree_postorder_for_each_entry_safe(bud, n, &c->buds, rb)
+ kfree(bud);
}
/**
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