dm-raid: silence compiler warning on rebuilds_per_group.

This doesn't really need to be initialised, but it doesn't hurt,
silences the compiler, and as it is a counter it makes sense for it to
start at zero.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 49f0bd5..0f5a6fb 100644 (file)
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -380,7 +380,7 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size)
 static int validate_raid_redundancy(struct raid_set *rs)
 {
        unsigned i, rebuild_cnt = 0;
-       unsigned rebuilds_per_group, copies, d;
+       unsigned rebuilds_per_group = 0, copies, d;
        unsigned group_size, last_group_start;
 
        for (i = 0; i < rs->md.raid_disks; i++)