This is a note to let you know that I've just added the patch titled
ASoC: codecs: rx-macro: fix accessing compander for aux
to the 5.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-codecs-rx-macro-fix-accessing-compander-for-aux.patch
and it can be found in the queue-5.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3f0bda3033dbbff07c8086344e49ee554dc0104a
Author: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Date: Tue Feb 22 18:32:04 2022 +0000
ASoC: codecs: rx-macro: fix accessing compander for aux
[ Upstream commit 42c709c4e1ce4c136891530646c9abd5dff3524f ]
AUX interpolator does not have compander, so check before accessing
compander data for this.
Without this checkan array of out bounds access will be made in
comp_enabled[] array.
Fixes: 4f692926f562 ("ASoC: codecs: lpass-rx-macro: add dapm widgets and route")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220222183212.11580-2-srinivas.kandagatla@xxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
index 2b272a82eabf..32e85d2e9b90 100644
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -2039,6 +2039,10 @@ static int rx_macro_load_compander_coeff(struct snd_soc_component *component,
int i;
int hph_pwr_mode;
+ /* AUX does not have compander */
+ if (comp == INTERP_AUX)
+ return 0;
+
if (!rx->comp_enabled[comp])
return 0;
