Commit 02b78310 authored May 31, 2012 by Salman Qazi Committed by Theodore Ts'o May 31, 2012

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

parent 79906964

fs/ext4/mballoc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4634,6 +4634,7 @@ void ext4_free_blocks(handle_t handle, struct inode inode,
		*/
		new_entry = kmem_cache_alloc(ext4_free_data_cachep, GFP_NOFS);
		if (!new_entry) {
		ext4_mb_unload_buddy(&e4b);
		err = -ENOMEM;
		goto error_return;
		}