diff --git a/net/ethtool/bitset.c b/net/ethtool/bitset.c
index 8bb98d3ea3db..a3a2cc6480a0 100644
--- a/net/ethtool/bitset.c
+++ b/net/ethtool/bitset.c
@@ -92,7 +92,7 @@ static bool ethnl_bitmap32_not_zero(const u32 *map, unsigned int start,
 	u32 mask;
 
 	if (end <= start)
-		return true;
+		return false;
 
 	if (start % 32) {
 		mask = ethnl_upper_bits(start);
@@ -105,11 +105,11 @@ static bool ethnl_bitmap32_not_zero(const u32 *map, unsigned int start,
 		start_word++;
 	}
 
-	if (!memchr_inv(map + start_word, '\0',
-			(end_word - start_word) * sizeof(u32)))
+	if (memchr_inv(map + start_word, '\0',
+		       (end_word - start_word) * sizeof(u32)))
 		return true;
 	if (end % 32 == 0)
-		return true;
+		return false;
 	return map[end_word] & ethnl_lower_bits(end);
 }