950-0403-staging-bcm2835-audio-Drop-useless-NULL-check.patch

From 9f3956e7bbf868894b5aee41110dbe28f117918c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 4 Sep 2018 17:58:42 +0200
Subject: [PATCH] staging: bcm2835-audio: Drop useless NULL check

commit 8bcf9f252c29c2d5bcce3db605c0ebf1ef230f9c upstream.

alsa_stream->chip can be never NULL.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -188,8 +188,7 @@ static int snd_bcm2835_playback_close(st
 	alsa_stream->buffer_size = 0;
 
 	bcm2835_audio_close(alsa_stream);
-	if (alsa_stream->chip)
-		alsa_stream->chip->alsa_stream[alsa_stream->idx] = NULL;
+	alsa_stream->chip->alsa_stream[alsa_stream->idx] = NULL;
 	/*
 	 * Do not free up alsa_stream here, it will be freed up by
 	 * runtime->private_free callback we registered in *_open above