!4693 ALSA: hda: fix a possible null-pointer dereference due to data race in...

!4693  ALSA: hda: fix a possible null-pointer dereference due to data race in snd_hdac_regmap_sync()

Merge Pull Request from: @ci-robot 
 
PR sync from: Yuntao Liu <liuyuntao12@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5SRRFVWPSCDFCABZYJCZUBOKGCCYAZSH/ 
 
https://gitee.com/src-openeuler/kernel/issues/I917HR 
 
Link:https://gitee.com/openeuler/kernel/pulls/4693

 

Reviewed-by: Zhang Jianhua <chris.zjh@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>