* [PATCH 2/3] btrfs: fix compile warning of uninitialized value
@ 2016-01-29 13:36 Kinglong Mee
0 siblings, 0 replies; only message in thread
From: Kinglong Mee @ 2016-01-29 13:36 UTC (permalink / raw)
To: Chris Mason, linux-btrfs; +Cc: miaoxie, kinglongmee
CC [M] fs/btrfs/extent-tree.o
fs/btrfs/extent-tree.c: In function 'find_free_extent':
fs/btrfs/extent-tree.c:7021:34: warning: 'used_bg' may be used uninitialized in this function [-Wmaybe-uninitialized]
struct btrfs_block_group_cache *used_bg;
^
Fixes: e570fd27f2 ("Btrfs: fix broken free space cache after the system crashed")
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
fs/btrfs/extent-tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e2287c7..f24e4c3 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7018,7 +7018,7 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
int delalloc)
{
- struct btrfs_block_group_cache *used_bg;
+ struct btrfs_block_group_cache *used_bg = NULL;
bool locked = false;
again:
spin_lock(&cluster->refill_lock);
--
2.5.0
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2016-01-29 13:36 [PATCH 2/3] btrfs: fix compile warning of uninitialized value Kinglong Mee
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