Re: [PATCH] wavelan: check request_region return value

[Jean Tourrilhes]

On Sun, Dec 30, 2001 at 05:22:29PM -0600, Steven Walter wrote:
> I recently changed several drivers in drivers/net of the Linux kernel to
> correctly check the return value of request_region.  Since you appear
> to be the maintainer of this driver, I'm forwarding the patch to you.
> 
> Thanks
> -- 
> -Steven

	For some reason, the tab got mangled, so I redid the
patch. Ready to go in kernel 2.4.X and 2.5.X.

	Jean

diff -u -p linux/drivers/net/wavelan.j1.c linux/drivers/net/wavelan.c
--- linux/drivers/net/wavelan.j1.c	Wed Jan  9 14:23:19 2002
+++ linux/drivers/net/wavelan.c	Wed Jan  9 14:25:04 2002
@@ -4019,7 +4019,8 @@ static int __init wavelan_config(device 
 
 	dev->irq = irq;
 
-	request_region(ioaddr, sizeof(ha_t), "wavelan");
+	if (!request_region(ioaddr, sizeof(ha_t), "wavelan"))
+		return -EBUSY;
 
 	dev->mem_start = 0x0000;
 	dev->mem_end = 0x0000;