From: Pali Rohár <pali@kernel.org>
Date: Fri, 23 Jul 2021 09:14:17 +0000 (+0200)
Subject: tools: kwboot: Fix wrong parameter passed to read()
X-Git-Url: http://git.dujemihanovic.xyz/img/static/gitweb.css?a=commitdiff_plain;h=43fef8d4feeecf6356646317f725a0e211da0c1c;p=u-boot.git

tools: kwboot: Fix wrong parameter passed to read()

The 'buf' variable is a pointer and '_buf' is the array itself.
Therefore we should pass sizeof(_buf) instead of sizeof(buf) to read().

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Tested-by: Chris Packham <judge.packham@gmail.com>
---

diff --git a/tools/kwboot.c b/tools/kwboot.c
index 2683e5360c..1ba5ded5d3 100644
--- a/tools/kwboot.c
+++ b/tools/kwboot.c
@@ -465,7 +465,7 @@ kwboot_term_pipe(int in, int out, char *quit, int *s)
 	ssize_t nin, nout;
 	char _buf[128], *buf = _buf;
 
-	nin = read(in, buf, sizeof(buf));
+	nin = read(in, buf, sizeof(_buf));
 	if (nin <= 0)
 		return -1;