diff --git a/arch/arm64/lib/csum.c b/arch/arm64/lib/csum.c
index 78b87a64ca0a38286fc1390acc20bfc55f49e16f..2432683e48a61f2186a329db893bced8157a3cf1 100644
--- a/arch/arm64/lib/csum.c
+++ b/arch/arm64/lib/csum.c
@@ -24,7 +24,7 @@ unsigned int __no_sanitize_address do_csum(const unsigned char *buff, int len)
 	const u64 *ptr;
 	u64 data, sum64 = 0;
 
-	if (unlikely(len == 0))
+	if (unlikely(len <= 0))
 		return 0;
 
 	offset = (unsigned long)buff & 7;