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Kernel bump from 4.1.3-rt to 4.1.7-rt.
[kvmfornfv.git] / kernel / drivers / md / dm-stats.c
diff --git a/kernel/drivers/md/dm-stats.c b/kernel/drivers/md/dm-stats.c
index f478a4c..419bdd4 100644 (file)
--- a/kernel/drivers/md/dm-stats.c
+++ b/kernel/drivers/md/dm-stats.c
@@ -795,6 +795,8 @@ static int message_stats_create(struct mapped_device *md,
                return -EINVAL;
 
        if (sscanf(argv[2], "/%u%c", &divisor, &dummy) == 1) {
+               if (!divisor)
+                       return -EINVAL;
                step = end - start;
                if (do_div(step, divisor))
                        step++;