From: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Date: Mon, 22 Feb 2010 21:49:06 +0000 (+0100)
Subject: cmd_itest.c: fix pointer dereferencing
X-Git-Tag: v2010.03-rc1~58
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f3651764e57e353251695691677bd95ba5a420bc;p=u-boot

cmd_itest.c: fix pointer dereferencing

fix pointer dereferencing
if the size is .b and .w an 8 or 16 bit access is done.

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Acked-by: Detlev Zundel <dzu@denx.de>
---

diff --git a/common/cmd_itest.c b/common/cmd_itest.c
index 5b301bf5a5..58c5e7b3b5 100644
--- a/common/cmd_itest.c
+++ b/common/cmd_itest.c
@@ -66,12 +66,17 @@ op_tbl_t op_table [] = {
 
 static long evalexp(char *s, int w)
 {
-	long l, *p;
+	long l = 0;
+	long *p;
 
 	/* if the parameter starts with a * then assume is a pointer to the value we want */
 	if (s[0] == '*') {
 		p = (long *)simple_strtoul(&s[1], NULL, 16);
-		l = *p;
+		switch (w) {
+		case 1: return((long)(*(unsigned char *)p));
+		case 2: return((long)(*(unsigned short *)p));
+		case 4: return(*p);
+		}
 	} else {
 		l = simple_strtoul(s, NULL, 16);
 	}