diff options
| -rw-r--r-- | drivers/md/bcache/alloc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index c2964b47d209..ce8b548e252b 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -938,6 +938,10 @@ static void recalc_alloc_group_weights(struct cache_set *c, available_buckets += devs->d[i].weight; } + /* avoid divide by zero... */ + if (!available_buckets) + return; + for (i = 0; i < devs->nr_devices; i++) { const unsigned min_weight = U32_MAX >> 4; const unsigned max_weight = U32_MAX; |