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authorJulia Lawall <Julia.Lawall@lip6.fr>2012-11-03 20:30:18 +0000
committerJosef Bacik <jbacik@fusionio.com>2012-12-12 17:15:24 -0500
commit6c1500f22a7be3a24ad3dffcdbf04be3f676521b (patch)
treebef37d29a8bac05bcf594df26a3eb340141d165e /fs/btrfs/backref.c
parent31b1a2bd758f439fc945b3ac5899d890cb7e2dc6 (diff)
downloadlwn-6c1500f22a7be3a24ad3dffcdbf04be3f676521b.tar.gz
lwn-6c1500f22a7be3a24ad3dffcdbf04be3f676521b.zip
fs/btrfs: drop if around WARN_ON
Just use WARN_ON rather than an if containing only WARN_ON(1). A simplified version of the semantic patch that makes this transformation is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression e; @@ - if (e) WARN_ON(1); + WARN_ON(e); // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/backref.c')
-rw-r--r--fs/btrfs/backref.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 208d8aa5b07e..a3219523ebc9 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -890,8 +890,7 @@ again:
while (!list_empty(&prefs)) {
ref = list_first_entry(&prefs, struct __prelim_ref, list);
list_del(&ref->list);
- if (ref->count < 0)
- WARN_ON(1);
+ WARN_ON(ref->count < 0);
if (ref->count && ref->root_id && ref->parent == 0) {
/* no parent == root of tree */
ret = ulist_add(roots, ref->root_id, 0, GFP_NOFS);