[coreboot] [PATCH] chipset_enable: Fix open /dev/cpu

[Carl-Daniel Hailfinger]

Hi Bertrand,

On 05.05.2009 22:22, Beber wrote:
> Here is a fix for chipset_enable.c when there is not /dev/cpu. Open
> fail no there is not reason to lseek in. Actually this is a trivial fix
> for not well handled return from open.
>   

Although the fix seems trivial, it breaks the code a few lines down.
With the old code, you got a meaningful error message about having to
run "modprobe msr". This error message does not trigger anymore with the
new code.
Please fix. Thanks.


Regards,
Carl-Daniel

> Signed-off-by: Bertrand Jacquin <beber at meleeweb.net>
>
> Index: chipset_enable.c
> ===================================================================
> --- chipset_enable.c	(revision 461)
> +++ chipset_enable.c	(working copy)
> @@ -511,7 +511,7 @@
>  	unsigned char buf[8];
>  
>  	fd_msr = open("/dev/cpu/0/msr", O_RDWR);
> -	if (!fd_msr) {
> +	if (fd_msr == -1) {
>  		perror("open msr");
>  		return -1;
>  	}
>
>   


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