Commit 989f26f5 authored Mar 11, 2014 by Joe Thornber Committed by Mike Snitzer Jun 03, 2014

dm era: check for a non-NULL metadata object before closing it



era_ctr() may call era_destroy() before era->md is initialized so
era_destory() must only close the metadata object if it is not NULL.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Naohiro Aota <naota@elisp.net>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.15+

parent af91805a

drivers/md/dm-era-target.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1391,6 +1391,7 @@ static int era_is_congested(struct dm_target_callbacks *cb, int bdi_bits)

		static void era_destroy(struct era *era)
		{
		if (era->md)
		metadata_close(era->md);

		if (era->wq)