From: Peter Ujfalusi Date: Mon, 3 Mar 2025 06:55:52 +0000 (+0800) Subject: ASoC: Intel: sof_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks() X-Git-Tag: v6.12.20~45 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac4b32cb59ff03a75ad122821ee924cd3fe9fd1c;p=thirdparty%2Fkernel%2Fstable.git ASoC: Intel: sof_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks() commit 4363f02a39e25e80e68039b4323c570b0848ec66 upstream. Initialize current_be_id to 0 to handle the unlikely case when there are no devices connected to a DAI. In this case create_sdw_dailink() would return without touching the passed pointer to current_be_id. Found by gcc -fanalyzer Fixes: 59bf457d8055 ("ASoC: intel: sof_sdw: Factor out SoundWire DAI creation") Signed-off-by: Peter Ujfalusi Cc: stable@vger.kernel.org Reviewed-by: Ranjani Sridharan Signed-off-by: Bard Liao Link: https://patch.msgid.link/20250303065552.78328-1-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index f5b0e809ae066..380fc3be8c932 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -871,7 +871,7 @@ static int create_sdw_dailinks(struct snd_soc_card *card, /* generate DAI links by each sdw link */ while (sof_dais->initialised) { - int current_be_id; + int current_be_id = 0; ret = create_sdw_dailink(card, sof_dais, dai_links, ¤t_be_id, codec_conf);