diff mbox

btrfs-progs: clear_extent_bits: Fix memory leak.

Message ID 14081838.aIEpgWmujO@localhost.localdomain (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Chandan Rajendra Sept. 20, 2013, 5:59 p.m. UTC 
The 'prealloc' extent_state structure is leaked for the case when an 'extent
range' encapsulates/covers the 'desired range'.

Signed-off-by: chandan <chandan@linux.vnet.ibm.com>
---
 extent_io.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/extent_io.c b/extent_io.c
index acc4702..1c481d5 100644
--- a/extent_io.c
+++ b/extent_io.c
@@ -210,9 +210,11 @@  int clear_extent_bits(struct extent_io_tree *tree, u64 start,
 	int set = 0;
 
 again:
-	prealloc = alloc_extent_state();
-	if (!prealloc)
-		return -ENOMEM;
+	if (!prealloc) {
+		prealloc = alloc_extent_state();
+		if (!prealloc)
+			return -ENOMEM;
+	}
 
 	/*
 	 * this search will find the extents that end after