Takashi Iwai 2fc995a87f ASoC: intel: Fix crash at suspend/resume without card registration ... When ASoC Intel SST Medfield driver is probed but without codec / card assigned, it causes an Oops and freezes the kernel at suspend/resume, PM: Suspending system (freeze) Suspending console(s) (use no_console_suspend to debug) BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 IP: [<ffffffffc09d9409>] sst_soc_prepare+0x19/0xa0 [snd_soc_sst_mfld_platform] Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 1552 Comm: systemd-sleep Tainted: G W 4.9.0-rc6-1.g5f5c2ad-default #1 Call Trace: [<ffffffffb45318f9>] dpm_prepare+0x209/0x460 [<ffffffffb4531b61>] dpm_suspend_start+0x11/0x60 [<ffffffffb40d3cc2>] suspend_devices_and_enter+0xb2/0x710 [<ffffffffb40d462e>] pm_suspend+0x30e/0x390 [<ffffffffb40d2eba>] state_store+0x8a/0x90 [<ffffffffb43c670f>] kobj_attr_store+0xf/0x20 [<ffffffffb42b0d97>] sysfs_kf_write+0x37/0x40 [<ffffffffb42b02bc>] kernfs_fop_write+0x11c/0x1b0 [<ffffffffb422be68>] __vfs_write+0x28/0x140 [<ffffffffb43728a8>] ? apparmor_file_permission+0x18/0x20 [<ffffffffb433b2ab>] ? security_file_permission+0x3b/0xc0 [<ffffffffb422d095>] vfs_write+0xb5/0x1a0 [<ffffffffb422e3d6>] SyS_write+0x46/0xa0 [<ffffffffb4719fbb>] entry_SYSCALL_64_fastpath+0x1e/0xad Add proper NULL checks in the PM code of mdfld driver. Signed-off-by: Takashi Iwai <tiwai@suse.de> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: <stable@vger.kernel.org>		2016-11-30 17:58:53 +00:00
..
aoa	powerpc updates for 4.9	2016-10-07 20:19:31 -07:00
arm	ALSA: arm: Fix empty menuconfig SND_ARM	2016-08-01 16:07:53 +02:00
atmel
core	ALSA: seq: fix passing wrong pointer in function call of compatibility layer	2016-10-12 20:09:36 +02:00
drivers	ALSA: dummy: Fix a use-after-free at closing	2016-06-24 15:18:32 +02:00
firewire	Merge branch 'for-linus' into for-next	2016-09-11 09:33:12 +02:00
hda	ALSA: hdac: add missing \n to end of dev_err messages	2016-09-16 19:23:57 +02:00
i2c	ALSA: ak4114: remove redundant check on err being < 0	2016-07-12 12:28:04 +02:00
isa	ALSA: adlib: Utilize the module_isa_driver macro	2016-06-01 07:35:52 +02:00
mips
oss	sound: oss: Use kernel_read_file_from_path() for mod_firmware_load()	2016-07-26 10:38:03 +02:00
parisc
pci	ALSA: hda - Fix a failure of micmute led when having multi adcs	2016-10-12 20:07:25 +02:00
pcmcia
ppc	powerpc updates for 4.9	2016-10-07 20:19:31 -07:00
sh	ALSA: sh: aica: Remove deprecated create_workqueue	2016-06-07 11:23:33 +02:00
soc	ASoC: intel: Fix crash at suspend/resume without card registration	2016-11-30 17:58:53 +00:00
sparc
spi
synth
usb	ALSA: line6: fix a crash in line6_hwdep_write()	2016-10-12 20:10:23 +02:00
ac97_bus.c
Kconfig
last.c
Makefile	sound: oss: Use kernel_read_file_from_path() for mod_firmware_load()	2016-07-26 10:38:03 +02:00
sound_core.c