Re: [PATCH] Obvious bugfix for yenta resource allocation

From: Dominik Brodowski
Date: Tue Aug 02 2005 - 07:04:46 EST


On Tue, Aug 02, 2005 at 09:51:36PM +1000, Paul Mackerras wrote:
> Recent changes (well, dating from 12 July) have broken cardbus on my
> powerbook: I get 3 messages saying "no resource of type xxx available,
> trying to continue", and if I plug in my wireless card, it complains
> that there are no resources allocated to the card. This all worked in
> 2.6.12.
>
> Looking at the code in yenta_socket.c, function yenta_allocate_res,
> it's obvious what is wrong: if we get to line 639 (i.e. there wasn't a
> usable preassigned resource), we will always flow through to line 668,
> which is the printk that I was seeing, even if a resource was
> successfully allocated. It looks to me as though there should be a
> return statement after the two config_writel's in each of the 3
> branches of the if statements, so that the function returns after
> successfully setting up the resource.
>
> The patch below adds these return statements, and with this patch,
> cardbus works on my powerbook once again.
>
> Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx>
Acked-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>

Sorry for the bug.

Dominik
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