Commit 5c7955c8 authored by Jeff Mahoney's avatar Jeff Mahoney Committed by Greg Kroah-Hartman

btrfs: fix memory leak in update_space_info failure path

commit 896533a7 upstream.

If we fail to add the space_info kobject, we'll leak the memory
for the percpu counter.

Fixes: 6ab0a202 (btrfs: publish allocation data in sysfs)
Signed-off-by: default avatarJeff Mahoney <jeffm@suse.com>
Reviewed-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cc8c67ca
......@@ -3854,6 +3854,7 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags,
info->space_info_kobj, "%s",
alloc_name(found->flags));
if (ret) {
percpu_counter_destroy(&found->total_bytes_pinned);
kfree(found);
return ret;
}
......
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