crypto: zip: set pf_q_num = 0 an invalid value

Feature or Bugfix:Bugfix
Signed-off-by: NZhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: Nhuangdaode <huangdaode@hisilicon.com>

drivers/crypto/hisilicon/zip/zip_main.c

@@ -220,7 +220,7 @@ static int pf_q_num_set(const char *val, const struct kernel_param *kp)
 	}
 
 	ret = kstrtou32(val, 10, &n);
-	if (ret != 0 || n > q_num)
+	if (ret != 0 || n > q_num || n == 0)
 		return -EINVAL;
 
 	return param_set_int(val, kp);