Hi Takashi, Thanks a lot for your review! > On Mon, 29 Mar 2021 05:36:47 +0200, > root wrote: > > > > [1.1.1 <text/plain; UTF-8 (base64)>] > > > > From: Jia Zhou <zhou.jia2@xxxxxxxxxx> > > > > modification in commit 2a3f7221acdd ("ALSA: core: Fix card races between > > register and disconnect") resulting in this problem. > > > > Signed-off-by: Jia Zhou <zhou.jia2@xxxxxxxxxx> > > Signed-off-by: Yi Wang <wang.yi59@xxxxxxxxxx> > > The code change looks good, but the patch isn't cleanly applicable via > git-am. Could you fix your MUA setup, or try to submit via > git-send-email? Apologise to the inconvenient of the format. This is a bug in the mail system of our company's IT department, which confued us for a long time and will be resolved in next month :( Would you please do me a favor to accept this patch manually? Many thanks. > > > thanks, > > Takashi > > > --- > > sound/core/init.c | 2 -- > > 1 file changed, 2 deletions(-) > > > > diff --git a/sound/core/init.c b/sound/core/init.c > > index 018ce4ef1..9f5270c90 100644 > > --- a/sound/core/init.c > > +++ b/sound/core/init.c > > @@ -390,10 +390,8 @@ int snd_card_disconnect(struct snd_card *card) > > return 0; > > } > > card->shutdown = 1; > > - spin_unlock(&card->files_lock); > > > > /* replace file->f_op with special dummy operations */ > > - spin_lock(&card->files_lock); > > list_for_each_entry(mfile, &card->files_list, list) { > > /* it's critical part, use endless loop */ > > /* we have no room to fail */ > > -- > > 2.18.4 > > --- Best wishes Yi Wang