| Date | Fri, 08 Jun 2012 05:19:24 +0100 | From | Ben Hutchings <> | Subject | [ 44/82] ext4: add ext4_mb_unload_buddy in the error path |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Salman Qazi <sqazi@google.com>
commit 02b7831019ea4e7994968c84b5826fa8b248ffc8 upstream.
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> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- fs/ext4/mballoc.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4693,6 +4693,7 @@ */ new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS); if (!new_entry) { + ext4_mb_unload_buddy(&e4b); err = -ENOMEM; goto error_return; }
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