[alsa-devel] [patch] ALSA: usx2y: remove an unneeded check
Takashi Iwai
tiwai at suse.de
Mon Jul 29 14:00:05 CEST 2013
At Sun, 28 Jul 2013 23:27:38 +0300,
Dan Carpenter wrote:
>
> The test here is always true because S[i].urb is an array not a pointer.
> Also it's bogus because the intent was to test:
> if (S->urb[i]) {
> instead of:
> if (S[i].urb) {
>
> Anway, usb_kill_urb() and usb_free_urb() accept NULL pointers so we can
> just remove this.
>
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Thanks, applied.
Takashi
>
> diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c
> index 1f9bbd5..5a51b18 100644
> --- a/sound/usb/usx2y/usbusx2y.c
> +++ b/sound/usb/usx2y/usbusx2y.c
> @@ -305,11 +305,9 @@ static void usX2Y_unlinkSeq(struct snd_usX2Y_AsyncSeq *S)
> {
> int i;
> for (i = 0; i < URBS_AsyncSeq; ++i) {
> - if (S[i].urb) {
> - usb_kill_urb(S->urb[i]);
> - usb_free_urb(S->urb[i]);
> - S->urb[i] = NULL;
> - }
> + usb_kill_urb(S->urb[i]);
> + usb_free_urb(S->urb[i]);
> + S->urb[i] = NULL;
> }
> kfree(S->buffer);
> }
>
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