[PATCH 1/3] MTD/pxa: patch for error return value method of pxa2xx-flash.c
Eric Miao
eric.y.miao at gmail.com
Sat Jun 5 03:59:56 EDT 2010
On Sat, Jun 5, 2010 at 3:53 PM, Wan ZongShun <mcuos.com at gmail.com> wrote:
> Hi Eric,
>
> This following piece of code:
>
> if (!info->map.virt) {
> printk(KERN_WARNING "Failed to ioremap %s\n",
> info->map.name);
> ret = -ENOMEM;
> goto fail2;
> }
>
> Shouldn't the 'KERN_ERR' in stead of the 'KERN_WARNING '?
> Because the 'info->map.virt == NULL' can arouse the serious crash.
>
The thing is you need to figure out if it is mandatory because we
have another info->map.cached just in case. Disaster is both can
not be mapped.
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