diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index d604b4036a764358e52bd2c2ca9d02bd24f14ce9..3726cd6fcd754812d65cb38d89782e96aace0de8 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -3273,7 +3273,7 @@ il3945_store_measurement(struct device *d, struct device_attribute *attr,
 
 	if (count) {
 		char *p = buffer;
-		strncpy(buffer, buf, min(sizeof(buffer), count));
+		strlcpy(buffer, buf, sizeof(buffer));
 		channel = simple_strtoul(p, NULL, 0);
 		if (channel)
 			params.channel = channel;