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authorSalman Qazi <sqazi@google.com>2012-05-31 23:51:27 -0400
committerTheodore Ts'o <tytso@mit.edu>2012-05-31 23:51:27 -0400
commit02b7831019ea4e7994968c84b5826fa8b248ffc8 (patch)
tree929419054f15d2582d2b977505f55ec421e39549 /fs/ext4/mballoc.c
parent79906964a187c405db72a3abc60eb9b50d804fbc (diff)
ext4: add ext4_mb_unload_buddy in the error path
ext4_free_blocks fails to pair an ext4_mb_load_buddy with a matching ext4_mb_unload_buddy when it fails a memory allocation. Signed-off-by: Salman Qazi <sqazi@google.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e4b4ac1ec68..3d9277c48bc 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4634,6 +4634,7 @@ do_more:
*/
new_entry = kmem_cache_alloc(ext4_free_data_cachep, GFP_NOFS);
if (!new_entry) {
+ ext4_mb_unload_buddy(&e4b);
err = -ENOMEM;
goto error_return;
}