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Unverified Commit 4c42b86c authored by me-cafebabe's avatar me-cafebabe Committed by Michael Bestas
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ALSA: jack: Revert mismerge done in v4.19.291



This reverts commit 839f4e86.

As of the commit 839f4e86, the change was introduced
in order to fix commit c093b62c which was later
on reverted in commit 9508bece as of reason that
it broke kernel ABI and is not relevant for Android system.

Furthermore, this mismerge also lead to following null pointer dereference
in certain scenarios like plugging in 3.5mm headset.

[ 1142.234701] Unable to handle kernel read from unreadable memory at virtual address 0000000000000028
[ 1142.234720] Mem abort info:
[ 1142.234729] ESR = 0x96000005
[ 1142.234739] Exception class = DABT (current EL), IL = 32 bits
[ 1142.234747] SET = 0, FnV = 0
[ 1142.234755] EA = 0, S1PTW = 0
[ 1142.234762] Data abort info:
[ 1142.234770] ISV = 0, ISS = 0x00000005
[ 1142.234778] CM = 0, WnR = 0
[ 1142.234790] user pgtable: 4k pages, 39-bit VAs, pgdp = 0000000016d049a1
[ 1142.234799] [0000000000000028] pgd=00000000eb5a7003, pud=00000000eb5a7003, pmd=0000000000000000
[ 1142.234817] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[ 1142.234828] Modules linked in:
[ 1142.234839] Process kworker/5:0 (pid: 5915, stack limit = 0x000000000ffb215a)
[ 1142.234853] CPU: 5 PID: 5915 Comm: kworker/5:0 Tainted: G W 4.19.294-Mi8937v2-gb3b17955ff52 #1
[ 1142.234862] Hardware name: Qualcomm Technologies, Inc. MSM8940-PMI8937 MTP (DT)
[ 1142.234886] Workqueue: events wcd_correct_swch_plug
[ 1142.234899] pstate: 80400005 (Nzcv daif +PAN -UAO)
[ 1142.234914] pc : input_event+0x2c/0x84
[ 1142.234929] lr : snd_jack_report+0xc4/0x17c
[ 1142.234937] sp : ffffff801c07bbe0
[ 1142.234945] x29: ffffff801c07bbe0 x28: 0000000000000402
[ 1142.234957] x27: ffffff800a110028 x26: ffffffc0d2e92480
[ 1142.234969] x25: ffffffc0cb9b32c0 x24: ffffff800a46f398
[ 1142.234981] x23: ffffff800a110028 x22: 0000000000000000
[ 1142.234992] x21: 0000000000000005 x20: 000000000000000c
[ 1142.235004] x19: ffffffc0cb9da400 x18: 0000000005f5e100
[ 1142.235015] x17: 0000000000000000 x16: 0000000000000000
[ 1142.235026] x15: ffffffffff21d823 x14: 0000000001312d00
[ 1142.235038] x13: 0000000000000000 x12: 0000000038e38e39
[ 1142.235049] x11: 0000000000000000 x10: 0000000000000003
[ 1142.235060] x9 : ffffff800a4ce000 x8 : 0000000000000000
[ 1142.235072] x7 : 0000000000000001 x6 : ffffffc0ef490a83
[ 1142.235083] x5 : 0000000000000001 x4 : 0000000000000001
[ 1142.235094] x3 : 0000000000000000 x2 : 0000000000000002
[ 1142.235105] x1 : 0000000000000005 x0 : 0000000000000000
[ 1142.235117] Call trace:
[ 1142.235128] input_event+0x2c/0x84
[ 1142.235140] snd_jack_report+0xc4/0x17c
[ 1142.235152] snd_soc_jack_report+0x1ec/0x21c
[ 1142.235164] wcd_mbhc_report_plug+0x414/0x6f4
[ 1142.235176] wcd_mbhc_find_plug_and_report+0xcc/0x27c
[ 1142.235188] wcd_correct_swch_plug+0x198/0xbf0
[ 1142.235203] process_one_work+0x224/0x3ec
[ 1142.235215] worker_thread+0x260/0x4a8
[ 1142.235227] kthread+0x138/0x154
[ 1142.235239] ret_from_fork+0x10/0x18
[ 1142.235254] Code: 53067c28 2a0103f5 aa0003f6 8b284c08 (f9401508)
[ 1142.235265] ---[ end trace 98bff2bd0de72df6 ]---
[ 1142.328772] Kernel panic - not syncing: Fatal exception

Change-Id: I146cf474603681243c62672491aaf3c5187551d7
Signed-off-by: default avatarhridaya <info.hridayaprajapati@gmail.com>
parent 98abac6f
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