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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>
This commit is contained in:
Frans Meulenbroeks 2010-02-22 22:49:06 +01:00 committed by Wolfgang Denk
parent 0ad22703f0
commit f3651764e5
1 changed files with 7 additions and 2 deletions
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9
common/cmd_itest.c
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@ -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);
}