Re: [PATCH] ALSA: hda: check RIRB to avoid use NULL pointer

2019-04-30 Thread Takashi Iwai
On Tue, 30 Apr 2019 11:29:19 +0200, Liwei Song wrote: > > > > On 04/30/2019 04:53 PM, Takashi Iwai wrote: > > On Tue, 30 Apr 2019 10:32:47 +0200, > > Liwei Song wrote: > >> > >> > >> > >> On 04/30/2019 03:31 PM, Takashi Iwai wrote: > >>> On Tue, 30 Apr 2019 08:10:53 +0200, > >>> Song liwei wrote

Re: [PATCH] ALSA: hda: check RIRB to avoid use NULL pointer

2019-04-30 Thread Liwei Song
On 04/30/2019 04:53 PM, Takashi Iwai wrote: > On Tue, 30 Apr 2019 10:32:47 +0200, > Liwei Song wrote: >> >> >> >> On 04/30/2019 03:31 PM, Takashi Iwai wrote: >>> On Tue, 30 Apr 2019 08:10:53 +0200, >>> Song liwei wrote: From: Liwei Song Fix the following BUG: BUG:

Re: [PATCH] ALSA: hda: check RIRB to avoid use NULL pointer

2019-04-30 Thread Takashi Iwai
On Tue, 30 Apr 2019 10:32:47 +0200, Liwei Song wrote: > > > > On 04/30/2019 03:31 PM, Takashi Iwai wrote: > > On Tue, 30 Apr 2019 08:10:53 +0200, > > Song liwei wrote: > >> > >> From: Liwei Song > >> > >> Fix the following BUG: > >> > >> BUG: unable to handle kernel NULL pointer dereference at

Re: [PATCH] ALSA: hda: check RIRB to avoid use NULL pointer

2019-04-30 Thread Liwei Song
On 04/30/2019 03:31 PM, Takashi Iwai wrote: > On Tue, 30 Apr 2019 08:10:53 +0200, > Song liwei wrote: >> >> From: Liwei Song >> >> Fix the following BUG: >> >> BUG: unable to handle kernel NULL pointer dereference at 000c >> Workqueue: events azx_probe_work [snd_hda_intel] >> RIP: 0

Re: [PATCH] ALSA: hda: check RIRB to avoid use NULL pointer

2019-04-30 Thread Takashi Iwai
On Tue, 30 Apr 2019 08:10:53 +0200, Song liwei wrote: > > From: Liwei Song > > Fix the following BUG: > > BUG: unable to handle kernel NULL pointer dereference at 000c > Workqueue: events azx_probe_work [snd_hda_intel] > RIP: 0010:snd_hdac_bus_update_rirb+0x80/0x160 [snd_hda_core] >

[PATCH] ALSA: hda: check RIRB to avoid use NULL pointer

2019-04-29 Thread Song liwei
From: Liwei Song Fix the following BUG: BUG: unable to handle kernel NULL pointer dereference at 000c Workqueue: events azx_probe_work [snd_hda_intel] RIP: 0010:snd_hdac_bus_update_rirb+0x80/0x160 [snd_hda_core] Call Trace: azx_interrupt+0x78/0x140 [snd_hda_codec] __handle_irq_ev