ASoC: Intel: sof_sdw: Fix unlikely uninitialized variable use in create_sdw_dailinks()

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: 59bf457 ("ASoC: intel: sof_sdw: Factor out SoundWire DAI creation")
Signed-off-by: Peter Ujfalusi <[email protected]>
Cc: [email protected]
Reviewed-by: Ranjani Sridharan <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: ujfalusi

sound/soc/intel/boards/sof_sdw.c

@@ -954,7 +954,7 @@ 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,
 					 &current_be_id, codec_conf);