Re: Patch of a new driver for kernel 2.4.x that need review

From: Pekka Enberg
Date: Wed Jun 22 2005 - 15:12:28 EST


On 6/22/05, Bouchard, Sebastien <Sebastien.Bouchard@xxxxxxxxxxxxxx> wrote:
> +static int __init
> +tlclk_init(void)
> +{

[snip]

> + if (check_region(TLCLK_BASE, 8)) {
> + printk(KERN_ERR
> + "telclock: I/O region already used by another
> driver!\n");
> + return -EBUSY;
> + } else {
> + request_region(TLCLK_BASE, 8, "telclock");

request_region can fail too so you'd better handle that.

Pekka
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