brcm2708: update to latest patches from RPi foundation

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

diff --git a/target/linux/brcm2708/patches-4.19/950-0384-staging-bcm2835-audio-Drop-useless-NULL-check.patch b/target/linux/brcm2708/patches-4.19/950-0384-staging-bcm2835-audio-Drop-useless-NULL-check.patch
new file mode 100644 (file)
index 0000000..ab5a0ed
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0384-staging-bcm2835-audio-Drop-useless-NULL-check.patch
@@ -0,0 +1,28 @@
+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