From: Vijendar Mukunda Date: Tue, 6 May 2025 12:07:22 +0000 (+0530) Subject: ASoC: amd: amd_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks() X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4d87ae7508cb7ff58fd0bcecc6e9491f42f987f8;p=users%2Fdwmw2%2Flinux.git ASoC: amd: amd_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks() Initialize current_be_id to 0 in AMD legacy stack(NO DSP enabled) SoundWire generic machine driver code 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 Cc: stable@vger.kernel.org Fixes: 2981d9b0789c4 ("ASoC: amd: acp: add soundwire machine driver for legacy stack") Signed-off-by: Vijendar Mukunda Link: https://patch.msgid.link/20250506120823.3621604-1-Vijendar.Mukunda@amd.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/amd/acp/acp-sdw-legacy-mach.c b/sound/soc/amd/acp/acp-sdw-legacy-mach.c index 2020c5cfb3d5d..582c68aee6e58 100644 --- a/sound/soc/amd/acp/acp-sdw-legacy-mach.c +++ b/sound/soc/amd/acp/acp-sdw-legacy-mach.c @@ -272,7 +272,7 @@ static int create_sdw_dailinks(struct snd_soc_card *card, /* generate DAI links by each sdw link */ while (soc_dais->initialised) { - int current_be_id; + int current_be_id = 0; ret = create_sdw_dailink(card, soc_dais, dai_links, ¤t_be_id, codec_conf, sdw_platform_component);