Re: [PATCH] ALSA: cs4236: fix error return comparison of an unsigned integer

From: Takashi Iwai
Date: Fri Nov 22 2019 - 08:26:57 EST


On Fri, 22 Nov 2019 14:13:54 +0100,
Colin King wrote:
>
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The return from pnp_irq is an unsigned integer type resource_size_t
> and hence the error check for a positive non-error code is always
> going to be true. A check for a non-failure return from pnp_irq
> should in fact be for (resource_size_t)-1 rather than >= 0.
>
> Addresses-Coverity: ("Unsigned compared against 0")
> Fixes: a9824c868a2c ("[ALSA] Add CS4232 PnP BIOS support")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Applied, thanks.


Takashi