[PATCH] cmd_itest.c: fix pointer dereferencing

[Frans Meulenbroeks]

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

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks at gmail.com>
---
 common/cmd_itest.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/common/cmd_itest.c b/common/cmd_itest.c
index 5b301bf..d0ef747 100644
--- a/common/cmd_itest.c
+++ b/common/cmd_itest.c
@@ -66,17 +66,23 @@ op_tbl_t op_table [] = {

 static long evalexp(char *s, int w)
 {
-	long l, *p;
+	long l = 0; /* default return value */
+	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);
 	}
-
 	return (l & ((1 << (w * 8)) - 1));
+
 }

 static char * evalstr(char *s)
-- 
1.5.4.3