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Julien Massot 87dbfe2b39 ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY() [ Upstream commit `7af317f7fa` ] ETDM2_IN_BE and ETDM1_OUT_BE are defined as COMP_EMPTY(), in the case the codec dai_name will be null. Avoid a crash if the device tree is not assigning a codec to these links. [ 1.179936] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 1.181065] Mem abort info: [ 1.181420] ESR = 0x0000000096000004 [ 1.181892] EC = 0x25: DABT (current EL), IL = 32 bits [ 1.182576] SET = 0, FnV = 0 [ 1.182964] EA = 0, S1PTW = 0 [ 1.183367] FSC = 0x04: level 0 translation fault [ 1.183983] Data abort info: [ 1.184406] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 1.185097] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 1.185766] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 1.186439] [0000000000000000] user address but active_mm is swapper [ 1.187239] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 1.188029] Modules linked in: [ 1.188420] CPU: 7 UID: 0 PID: 70 Comm: kworker/u32:1 Not tainted 6.14.0-rc4-next-20250226+ #85 [ 1.189515] Hardware name: Radxa NIO 12L (DT) [ 1.190065] Workqueue: events_unbound deferred_probe_work_func [ 1.190808] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.191683] pc : __pi_strcmp+0x24/0x140 [ 1.192170] lr : mt8195_mt6359_soc_card_probe+0x224/0x7b0 [ 1.192854] sp : ffff800083473970 [ 1.193271] x29: ffff800083473a10 x28: 0000000000001008 x27: 0000000000000002 [ 1.194168] x26: ffff800082408960 x25: ffff800082417db0 x24: ffff800082417d88 [ 1.195065] x23: 000000000000001e x22: ffff800082dbf480 x21: ffff800082dc07b8 [ 1.195961] x20: 0000000000000000 x19: 0000000000000013 x18: 00000000ffffffff [ 1.196858] x17: 000000040044ffff x16: 005000f2b5503510 x15: 0000000000000006 [ 1.197755] x14: ffff800082407af0 x13: 6e6f69737265766e x12: 692d6b636f6c6374 [ 1.198651] x11: 0000000000000002 x10: ffff80008240b920 x9 : 0000000000000018 [ 1.199547] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 0000000000000000 [ 1.200443] x5 : 0000000000000000 x4 : 8080808080000000 x3 : 303933383978616d [ 1.201339] x2 : 0000000000000000 x1 : ffff80008240b920 x0 : 0000000000000000 [ 1.202236] Call trace: [ 1.202545] __pi_strcmp+0x24/0x140 (P) [ 1.203029] mtk_soundcard_common_probe+0x3bc/0x5b8 [ 1.203644] platform_probe+0x70/0xe8 [ 1.204106] really_probe+0xc8/0x3a0 [ 1.204556] __driver_probe_device+0x84/0x160 [ 1.205104] driver_probe_device+0x44/0x130 [ 1.205630] __device_attach_driver+0xc4/0x170 [ 1.206189] bus_for_each_drv+0x8c/0xf8 [ 1.206672] __device_attach+0xa8/0x1c8 [ 1.207155] device_initial_probe+0x1c/0x30 [ 1.207681] bus_probe_device+0xb0/0xc0 [ 1.208165] deferred_probe_work_func+0xa4/0x100 [ 1.208747] process_one_work+0x158/0x3e0 [ 1.209254] worker_thread+0x2c4/0x3e8 [ 1.209727] kthread+0x134/0x1f0 [ 1.210136] ret_from_fork+0x10/0x20 [ 1.210589] Code: 54000401 b50002c6 d503201f f86a6803 (f8408402) [ 1.211355] ---[ end trace 0000000000000000 ]--- Signed-off-by: Julien Massot <julien.massot@collabora.com> Fixes: `e70b8dd267` ("ASoC: mediatek: mt8195: Remove afe-dai component and rework codec link") Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://patch.msgid.link/20250417-mt8395-audio-sof-v1-2-30587426e5dd@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2025-06-19 15:31:31 +02:00
arch	powerpc/pseries/iommu: Fix kmemleak in TCE table userspace view	2025-06-19 15:31:29 +02:00
block	block: fix adding folio to bio	2025-06-10 07:12:59 -04:00
certs	sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3	2024-09-20 19:52:48 +03:00
crypto	crypto: api - Redo lookup on EEXIST	2025-06-19 15:31:30 +02:00
Documentation	dt-bindings: phy: imx8mq-usb: fix fsl,phy-tx-vboost-level-microvolt property	2025-06-10 07:13:00 -04:00
drivers	ACPICA: exserial: don't forget to handle FFixedHW opregions for reading	2025-06-19 15:31:30 +02:00
fs	btrfs: fix invalid data space release when truncating block in NOCOW mode	2025-06-19 15:31:29 +02:00
include	NFS: Avoid flushing data while holding directory locks in nfs_rename()	2025-06-04 14:43:53 +02:00
init	rust: clean Rust 1.88.0's `unnecessary_transmutes` lint	2025-05-18 08:24:51 +02:00
io_uring	io_uring: fix overflow resched cqe reordering	2025-05-29 11:03:17 +02:00
ipc	ipc: fix memleak if msg_init_ns failed in create_ipc_ns	2024-12-05 14:03:02 +01:00
kernel	rcu/cpu_stall_cputime: fix the hardirq count for x86 architecture	2025-06-19 15:31:30 +02:00
lib	kunit: Fix wrong parameter to kunit_deactivate_static_stub()	2025-06-19 15:31:30 +02:00
LICENSES	LICENSES: add 0BSD license text	2024-09-01 20:43:24 -07:00
mm	mm: vmalloc: only zero-init on vrealloc shrink	2025-05-29 11:03:23 +02:00
net	net_sched: hfsc: Address reentrant enqueue adding class to eltree twice	2025-06-04 14:43:51 +02:00
rust	rust: clean Rust 1.88.0's `clippy::uninlined_format_args` lint	2025-05-18 08:24:57 +02:00
samples	samples/bpf: Fix compilation failure for samples/bpf on LoongArch Fedora	2025-05-29 11:02:01 +02:00
scripts	kbuild: Properly disable -Wunterminated-string-initialization for clang	2025-05-29 11:03:25 +02:00
security	smack: Revert "smackfs: Added check catlen"	2025-05-29 11:02:48 +02:00
sound	ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY()	2025-06-19 15:31:31 +02:00
tools	kselftest: cpufreq: Get rid of double suspend in rtcwake case	2025-06-19 15:31:28 +02:00
usr	kbuild: hdrcheck: fix cross build with clang	2025-03-13 13:02:18 +01:00
virt	KVM: Add member to struct kvm_gfn_range to indicate private/shared	2025-05-22 14:29:36 +02:00
.clang-format	clang-format: Update with v6.11-rc1's `for_each` macro list	2024-08-02 13:20:31 +02:00
.clippy.toml	rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration	2025-05-18 08:24:51 +02:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.editorconfig	.editorconfig: remove trim_trailing_whitespace option	2024-06-13 16:47:52 +02:00
.get_maintainer.ignore	Add Jeff Kirsher to .get_maintainer.ignore	2024-03-08 11:36:54 +00:00
.gitattributes	.gitattributes: set diff driver for Rust source code files	2023-05-31 17:48:25 +02:00
.gitignore	rust: introduce `.clippy.toml`	2025-03-13 13:01:42 +01:00
.mailmap	mailmap: add entry for Thorsten Blum	2024-11-07 14:14:59 -08:00
.rustfmt.toml	rust: add `.rustfmt.toml`	2022-09-28 09:02:20 +02:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: Remove self from DSA entry	2024-11-03 12:52:38 -08:00
Kbuild	Kbuild updates for v6.1	2022-10-10 12:00:45 -07:00
Kconfig	kbuild: ensure full rebuild when the compiler is updated	2020-05-12 13:28:33 +09:00
MAINTAINERS	MAINTAINERS: Update Alexey Makhalov's email address	2025-05-22 14:29:46 +02:00
Makefile	Linux 6.12.33	2025-06-10 07:13:00 -04:00
README	README: Fix spelling	2024-03-18 03:36:32 -06:00

README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.