diff --git a/net/wireless/util.c b/net/wireless/util.c
index edeeb056fe4d..f49b55724f83 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -2437,8 +2437,8 @@ int cfg80211_iter_combinations(struct wiphy *wiphy,
 		if (params->num_different_channels > c->num_different_channels)
 			continue;
 
-		limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits,
-				 GFP_KERNEL);
+		limits = kmemdup_array(c->limits, c->n_limits, sizeof(*limits),
+				       GFP_KERNEL);
 		if (!limits)
 			return -ENOMEM;