[dm-devel] [PATCH RESEND] dm-raid: Do not call BUG() in __rdev_sectors()
Hannes Reinecke
hare at suse.de
Wed Jun 28 08:04:17 UTC 2017
__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 <hare at suse.com>
---
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
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