target/linux/brcm2708/patches-4.19/950-0384-staging-bcm2835-audio-Drop-useless-NULL-check.patch

   1 From 9f3956e7bbf868894b5aee41110dbe28f117918c Mon Sep 17 00:00:00 2001
   2 From: Takashi Iwai <tiwai@suse.de>
   3 Date: Tue, 4 Sep 2018 17:58:42 +0200
   4 Subject: [PATCH] staging: bcm2835-audio: Drop useless NULL check
   5
   6 commit 8bcf9f252c29c2d5bcce3db605c0ebf1ef230f9c upstream.
   7
   8 alsa_stream->chip can be never NULL.
   9
  10 Signed-off-by: Takashi Iwai <tiwai@suse.de>
  11 Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
  12 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  13 ---
  14  drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 3 +--
  15  1 file changed, 1 insertion(+), 2 deletions(-)
  16
  17 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
  18 +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
  19 @@ -188,8 +188,7 @@ static int snd_bcm2835_playback_close(st
  20         alsa_stream->buffer_size = 0;
  21
  22         bcm2835_audio_close(alsa_stream);
  23 -       if (alsa_stream->chip)
  24 -               alsa_stream->chip->alsa_stream[alsa_stream->idx] = NULL;
  25 +       alsa_stream->chip->alsa_stream[alsa_stream->idx] = NULL;
  26         /*
  27          * Do not free up alsa_stream here, it will be freed up by
  28          * runtime->private_free callback we registered in *_open above