[U-Boot] [PATCH 2/2] cmd_itest.c: fix pointer dereferencing

[Detlev Zundel]

Hi Frans,

> 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 |    9 ++++++---
>  1 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/common/cmd_itest.c b/common/cmd_itest.c
> index 5b301bf..6e1079c 100644
> --- a/common/cmd_itest.c
> +++ b/common/cmd_itest.c
> @@ -66,16 +66,19 @@ op_tbl_t op_table [] = {
>  
>  static long evalexp(char *s, int w)
>  {
> -	long l, *p;
> +	long l = 0
> +	long *p;

It takes chuzpe to send patches that do not even compile ;) Who ate the
';'?

>  
>  	/* 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);

The switch statement needs to be closed also.

>  	} else {
>  		l = simple_strtoul(s, NULL, 16);
>  	}
> -
>  	return (l & ((1 << (w * 8)) - 1));
>  }

Once you fix the syntax errors -

Acked-by: Detlev Zundel <dzu at denx.de>

Cheers
  Detlev

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