ext4: Add error checking to kmem_cache_alloc() call in ext4_free_blocks()
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 731b6f7..46d5414 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4626,7 +4626,11 @@
* blocks being freed are metadata. these blocks shouldn't
* be used until this transaction is committed
*/
- new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS);
+ new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS);
+ if (!new_entry) {
+ err = -ENOMEM;
+ goto error_return;
+ }
new_entry->start_blk = bit;
new_entry->group = block_group;
new_entry->count = count;
