1 file changed, 3 insertions, 5 deletions
diff --git a/ui-ssdiff.c b/ui-ssdiff.c
index 9fb5b113..0cff4b82 100644
--- a/ui-ssdiff.c
+++ b/ui-ssdiff.c
@@ -23,7 +23,7 @@ static void create_or_reset_lcs_table()
 	int i;
 
 	if (L != NULL) {
-		memset(*L, 0, sizeof(*L) * MAX_SSDIFF_SIZE);
+		memset(*L, 0, sizeof(int) * MAX_SSDIFF_SIZE);
 		return;
 	}
 
@@ -42,14 +42,12 @@ static char *longest_common_subsequence(char *A, char *B)
 	int i, j, ri;
 	int m = strlen(A);
 	int n = strlen(B);
-	int tmp1, tmp2, length;
+	int tmp1, tmp2;
 	int lcs_length;
 	char *result;
 
-	length = (m + 1) * (n + 1);
-
 	// We bail if the lines are too long
-	if (length > MAX_SSDIFF_SIZE)
+	if (m >= MAX_SSDIFF_M || n >= MAX_SSDIFF_N)
 		return NULL;
 
 	create_or_reset_lcs_table();