r914: fixed two harmless division by 0

Resolves #326
2026-10-03 10:08:12 +08:00 · 2019-02-12 19:30:49 -05:00
parent 1739a260fb
commit 32ab6ce15b
3 changed files with 3 additions and 1 deletions
@@ -28,6 +28,7 @@ mm128_t *mm_chain_dp(int max_dist_x, int max_dist_y, int bw, int max_skip, int m
 	mm128_t *b, *w;

 	if (_u) *_u = 0, *n_u_ = 0;
+	if (n == 0 || a == 0) return 0;
 	f = (int32_t*)kmalloc(km, n * 4);
 	p = (int32_t*)kmalloc(km, n * 4);
 	t = (int32_t*)kmalloc(km, n * 4);