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From: Jia-Ju Bai <baijiaju1990@163.com>
To: Clemens Ladisch <clemens@ladisch.de>
Cc: perex@perex.cz, tiwai@suse.com, o-takashi@sakamocchi.jp,
	elfring@users.sourceforge.net, fabf@skynet.be,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [alsa-devel] [PATCH] opl3: Fix a possible sleep-in-atomic bug in snd_opl3_find_patch
Date: Mon, 9 Oct 2017 15:51:36 +0800	[thread overview]
Message-ID: <45ffdd2f-ad74-c6fe-3788-da3f9e4df625@163.com> (raw)
In-Reply-To: <5146a06e-0199-3d03-b4d6-9a4f71e4c4af@ladisch.de>

Thanks for your reply :)
Yes, you are right. Sorry for this false positive.


Thanks,
Jia-Ju Bai

On 2017/10/9 14:32, Clemens Ladisch wrote:
> Jia-Ju Bai wrote:
>> The driver may sleep under a spinlock, and the function call path is:
>> snd_opl3_note_on (acquire the spinlock)
>>    snd_opl3_find_patch
>>      kzalloc(GFP_KERNEL) --> may sleep
> This call path is not possible because create_patch is not set.
>
>
> Regards,
> Clemens

      reply	other threads:[~2017-10-09  7:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-09  2:35 Jia-Ju Bai
2017-10-09  6:32 ` [alsa-devel] " Clemens Ladisch
2017-10-09  7:51   ` Jia-Ju Bai [this message]

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