Message ID | 20170517134937.30774-1-jeffm@suse.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Wed, May 17, 2017 at 09:49:37AM -0400, jeffm@suse.com wrote: > From: Jeff Mahoney <jeffm@suse.com> > > If we fail to add the space_info kobject, we'll leak the memory > for the percpu counter. > > Fixes: 6ab0a2029c (btrfs: publish allocation data in sysfs) > Cc: <stable@vger.kernel.org> # v3.14+ > Signed-off-by: Jeff Mahoney <jeffm@suse.com> Looks good. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Thanks, -liubo -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index be5477676cc8..2f23fd4a08f1 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3983,6 +3983,7 @@ 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; }