From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: [PATCH RESEND] dm-raid: Do not call BUG() in __rdev_sectors() Date: Wed, 28 Jun 2017 10:04:17 +0200 Message-ID: <1498637057-23221-1-git-send-email-hare@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Mike Snitzer Cc: dm-devel@redhat.com, Hannes Reinecke List-Id: dm-devel.ids __rdev_sectors() might be called for an invalid/non-existing RAID set during raid_ctr(), which is perfectly fine and no reason to panic. Signed-off-by: Hannes Reinecke --- drivers/md/dm-raid.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 7d89322..9bbb596 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1571,7 +1571,8 @@ static sector_t __rdev_sectors(struct raid_set *rs) return rdev->sectors; } - BUG(); /* Constructor ensures we got some. */ + /* No valid raid devices */ + return 0; } /* Calculate the sectors per device and per array used for @rs */ -- 1.8.5.6