John Stultz f9aa2c6071 ANDROID: ion: Fix buffer_lock mutex initialization ... Running with lockdep, I saw: [ 95.326037] DEBUG_LOCKS_WARN_ON(lock->magic != lock) [ 95.326067] WARNING: CPU: 6 PID: 814 at kernel/locking/mutex.c:938 __mutex_lock+0x608/0x8d8 [ 95.339515] Modules linked in: xhci_plat_hcd xhci_pci xhci_hcd ufs_qcom syscon_reboot_mode spmi_pmic_arb snd_soc_hdmi_codec smsm smem sdhci_msm sdhci_pltfm sdhci rf [ 95.405115] CPU: 6 PID: 814 Comm: NDK MediaCodec_ Tainted: G W 5.4.0-rc7-mainline-00568-gd48a35356edb #1095 [ 95.416246] Hardware name: Thundercomm Dragonboard 845c (DT) [ 95.421960] pstate: 60400005 (nZCv daif +PAN -UAO) [ 95.426806] pc : __mutex_lock+0x608/0x8d8 [ 95.430868] lr : __mutex_lock+0x608/0x8d8 [ 95.434933] sp : ffffffc0133c3a90 ... [ 95.518865] Call trace: [ 95.521354] __mutex_lock+0x608/0x8d8 [ 95.525059] mutex_lock_nested+0x3c/0x50 [ 95.529070] ion_buffer_alloc+0x230/0x330 [ 95.533136] ion_dmabuf_alloc+0x6c/0xf8 [ 95.537034] ion_ioctl+0x220/0x418 [ 95.540622] do_vfs_ioctl+0xc4/0xa20 [ 95.544255] ksys_ioctl+0x8c/0xa0 [ 95.547841] __arm64_sys_ioctl+0x28/0x38 [ 95.551850] el0_svc_common.constprop.2+0x7c/0x198 [ 95.556693] el0_svc_handler+0x80/0xa0 [ 95.560495] el0_svc+0x8/0xc [ 95.563430] irq event stamp: 7881 [ 95.567894] hardirqs last enabled at (7881): [<ffffffd0d1edfc78>] __slab_alloc.isra.83.constprop.90+0x80/0xc8 [ 95.578008] hardirqs last disabled at (7880): [<ffffffd0d1edfc3c>] __slab_alloc.isra.83.constprop.90+0x44/0xc8 [ 95.588098] softirqs last enabled at (7780): [<ffffffd0d1c820bc>] __do_softirq+0x49c/0x608 [ 95.596529] softirqs last disabled at (7771): [<ffffffd0d1cc1df8>] irq_exit+0x140/0x148 [ 95.604613] ---[ end trace 206552022d1ff2b8 ]--- After digging around, I realized the ion_device buffer_lock isn't being properly initialized. So this patch corrects that. Signed-off-by: John Stultz <john.stultz@linaro.org> Change-Id: Id3381006b23c370f90a7e5efd6efe5448ebe87c5		2019-11-15 23:44:42 +00:00
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android	ANDROID: ion: Fix buffer_lock mutex initialization	2019-11-15 23:44:42 +00:00
axis-fifo
board
clocking-wizard
comedi
emxx_udc	staging: emxx_udc: remove local TRUE/FALSE definition	2019-09-12 10:35:51 +01:00
exfat	staging: exfat: Use kvzalloc() instead of kzalloc() for exfat_sb_info	2019-10-04 10:20:57 +02:00
fbtft	Staging: fbtft: fix memory leak in fbtft_framebuffer_alloc	2019-10-04 10:20:57 +02:00
fieldbus	dt-bindings: anybus-controller: move to staging/ tree	2019-09-12 10:35:51 +01:00
fsl-dpaa2
fwserial
gasket	Staging: gasket: Use temporaries to reduce line length.	2019-09-12 10:38:45 +01:00
gdm724x
goldfish
greybus	staging: greybus: light: fix a couple double frees	2019-09-03 09:39:10 +02:00
gs_fpgaboot
iio
isdn	Staging/IIO driver patches for 5.4-rc1	2019-09-18 11:05:34 -07:00
kpc2000	staging: kpc2000: Fix long constant sparse warning	2019-09-03 09:39:48 +02:00
ks7010
media	Staging/IIO driver patches for 5.4-rc1	2019-09-18 11:05:34 -07:00
most	staging: most: sound: Fix error path of audio_init	2019-08-28 22:22:13 +02:00
mt7621-dma
mt7621-dts
mt7621-pci
mt7621-pci-phy
mt7621-pinctrl
netlogic
nvec	staging: nvec: make use of devm_platform_ioremap_resource	2019-09-12 10:35:50 +01:00
octeon	Staging/IIO driver fixes for 5.4-rc3	2019-10-12 15:44:46 -07:00
octeon-usb	usb: add a HCD_DMA flag instead of guestimating DMA capabilities	2019-08-21 10:03:35 -07:00
olpc_dcon
pi433	staging: pi433: Fix typo in documentation	2019-09-06 18:20:33 +02:00
qlge
ralink-gdma
rtl8188eu	staging: rtl8188eu: fix HighestRate check in odm_ARFBRefresh_8188E()	2019-10-01 08:22:44 +02:00
rtl8192e	staging: rtl8192e: remove unnecessary blank line	2019-09-05 09:37:31 +02:00
rtl8192u	staging: rtl8192u: Fix indentation	2019-08-28 22:22:13 +02:00
rtl8712	staging: rtl8712: wifi: checkpatch style fix	2019-08-27 19:01:26 +02:00
rtl8723bs	staging: rtl8723bs: core: Remove Macro "IS_MAC_ADDRESS_BROADCAST"	2019-09-12 10:35:52 +01:00
rts5208	staging: rts5208: Fix checkpath warning	2019-09-03 09:36:29 +02:00
sm750fb
speakup	staging: speakup: document sysfs attributes	2019-10-04 10:06:05 +02:00
unisys
uwb
vc04_services	staging: bcm2835-audio: Fix draining behavior regression	2019-10-01 08:22:44 +02:00
vme
vt6655	staging: vt6655: Fix memory leak in vt6655_probe	2019-10-07 12:34:55 +02:00
vt6656
wilc1000	staging: wilc1000: avoid twice IRQ handler execution for each single interrupt	2019-09-12 10:37:26 +01:00
wlan-ng	staging: wlan-ng: fix exit return when sme->key_idx >= NUM_WEPKEYS	2019-10-14 15:40:08 +02:00
wusbcore
Kconfig	Remove VirtualBox guest shared folders filesystem	2019-11-12 15:22:24 -08:00
Makefile	Remove VirtualBox guest shared folders filesystem	2019-11-12 15:22:24 -08:00