From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Thu, 11 Feb 2021 00:43:09 +0000 (-0500)
Subject: tools: fdtgrep: Use unsigned chars for arrays
X-Git-Tag: v2025.01-rc5-pxa1908~1941^2~4^2~115
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=ac549ac82d1b09fa9b912f64784426dec9052c20;p=u-boot.git

tools: fdtgrep: Use unsigned chars for arrays

Otherwise, values over 127 end up prefixed with ffffff.

Signed-off-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/tools/fdtgrep.c b/tools/fdtgrep.c
index e4112b8f69..db512465db 100644
--- a/tools/fdtgrep.c
+++ b/tools/fdtgrep.c
@@ -213,7 +213,7 @@ static void utilfdt_print_data(const char *data, int len)
 	} else {
 		printf(" = [");
 		for (i = 0; i < len; i++)
-			printf("%02x%s", *p++, i < len - 1 ? " " : "");
+			printf("%02x%s", (unsigned char)*p++, i < len - 1 ? " " : "");
 		printf("]");
 	}
 }