ASoC: sprd: Fix to use list_for_each_entry_safe() when delete items

Since we will remove items off the list using list_del() we need
to use a safe version of the list_for_each_entry() macro aptly named
list_for_each_entry_safe().

Fixes: d7bff893 ("ASoC: sprd: Add Spreadtrum multi-channel data transfer support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sprd/sprd-mcdt.c

@@ -978,12 +978,12 @@ static int sprd_mcdt_probe(struct platform_device *pdev)
 
 static int sprd_mcdt_remove(struct platform_device *pdev)
 {
-	struct sprd_mcdt_chan *temp;
+	struct sprd_mcdt_chan *chan, *temp;
 
 	mutex_lock(&sprd_mcdt_list_mutex);
 
-	list_for_each_entry(temp, &sprd_mcdt_chan_list, list)
-		list_del(&temp->list);
+	list_for_each_entry_safe(chan, temp, &sprd_mcdt_chan_list, list)
+		list_del(&chan->list);
 
 	mutex_unlock(&sprd_mcdt_list_mutex);