From: Vijendar Mukunda Date: Tue, 6 May 2025 12:07:23 +0000 (+0530) Subject: ASoC: amd: sof_amd_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks() X-Git-Tag: v6.16-rc1~170^2~5^2~36 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6b83ba4bc3ecb915476d688c9f00f3be57b49a0c;p=thirdparty%2Flinux.git ASoC: amd: sof_amd_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks() Initialize current_be_id to 0 in SOF based AMD generic SoundWire machine driver 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: 6d8348ddc56ed ("ASoC: amd: acp: refactor SoundWire machine driver code") Signed-off-by: Vijendar Mukunda Link: https://patch.msgid.link/20250506120823.3621604-2-Vijendar.Mukunda@amd.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/amd/acp/acp-sdw-sof-mach.c b/sound/soc/amd/acp/acp-sdw-sof-mach.c index c09b1f118a6cc..75bdd843ca368 100644 --- a/sound/soc/amd/acp/acp-sdw-sof-mach.c +++ b/sound/soc/amd/acp/acp-sdw-sof-mach.c @@ -219,7 +219,7 @@ 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);