From: Pali Rohár <pali@kernel.org>
Date: Wed, 12 Jan 2022 17:20:48 +0000 (+0100)
Subject: tools: kwbimage: Add missing check for maximal value for DATA_DELAY
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=fdcae2615639454f6c2b7c787de49e74e8746d07;p=u-boot.git

tools: kwbimage: Add missing check for maximal value for DATA_DELAY

Data delay is stored as 8-bit number in kwbimage structure. Ensure the
given value is at most 255.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
---

diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index 7c2106006a..2de8c371c1 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -1659,6 +1659,10 @@ static int image_create_config_parse_oneline(char *line,
 			el->regdata_delay = REGISTER_SET_HDR_OPT_DELAY_SDRAM_SETUP;
 		else
 			el->regdata_delay = REGISTER_SET_HDR_OPT_DELAY_MS(strtoul(value1, NULL, 10));
+		if (el->regdata_delay > 255) {
+			fprintf(stderr, "Maximal DATA_DELAY is 255\n");
+			return -1;
+		}
 		break;
 	case IMAGE_CFG_BAUDRATE:
 		el->baudrate = strtoul(value1, NULL, 10);