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Gary Bisson 334d74a798 Input: mtk-pmic-keys - fix possible null pointer dereference 
commit 11cdb506d0 upstream.

In mtk_pmic_keys_probe, the regs parameter is only set if the button is
parsed in the device tree. However, on hardware where the button is left
floating, that node will most likely be removed not to enable that
input. In that case the code will try to dereference a null pointer.

Let's use the regs struct instead as it is defined for all supported
platforms. Note that it is ok setting the key reg even if that latter is
disabled as the interrupt won't be enabled anyway.

Fixes: b581acb49a ("Input: mtk-pmic-keys - transfer per-key bit in mtk_pmic_keys_regs")
Signed-off-by: Gary Bisson <bisson.gary@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-05-18 08:21:22 +02:00
arch arm64: dts: imx8mm-verdin: Link reg_usdhc2_vqmmc to usdhc2 2025-05-18 08:21:20 +02:00
block blk-iocost: do not WARN if iocg was already offlined 2025-04-25 10:44:03 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2025-04-25 10:44:04 +02:00
crypto crypto: null - Use spin lock instead of mutex 2025-05-02 07:47:01 +02:00
Documentation sched/isolation: Prevent boot crash when the boot CPU is nohz_full 2025-03-28 21:58:48 +01:00
drivers Input: mtk-pmic-keys - fix possible null pointer dereference 2025-05-18 08:21:22 +02:00
fs ksmbd: fix memory leak in parse_lease_state() 2025-05-18 08:21:21 +02:00
include ipv4: Drop tos parameter from flowi4_update_output() 2025-05-18 08:21:21 +02:00
init sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP 2025-05-02 07:47:04 +02:00
io_uring io_uring/net: fix accept multishot handling 2025-04-25 10:43:58 +02:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-14 19:54:06 +01:00
kernel tracing: Fix oob write in trace_seq_to_buffer() 2025-05-09 09:41:36 +02:00
lib ubsan: Fix panic from test_ubsan_out_of_bounds 2025-05-02 07:47:08 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm: fix apply_to_existing_page_range() 2025-04-25 10:44:04 +02:00
net bpf: Scrub packet on bpf_redirect_peer 2025-05-18 08:21:21 +02:00
rust scripts: generate_rust_analyzer: provide cfgs for core and alloc 2025-03-28 21:58:57 +01:00
samples tracing: Verify event formats that have "%*p.." 2025-05-02 07:46:49 +02:00
scripts objtool: Silence more KCOV warnings, part 2 2025-05-02 07:47:10 +02:00
security landlock: Add the errata interface 2025-04-25 10:44:02 +02:00
sound ASoC: soc-core: Stop using of_property_read_bool() for non-boolean properties 2025-05-09 09:41:46 +02:00
tools selftests/mincore: Allow read-ahead pages to reach the end of the file 2025-05-02 07:47:06 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-06-27 13:46:21 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-17 15:21:15 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -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 Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
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 sign-file,extract-cert: move common SSL helper functions to a header 2025-04-25 10:44:04 +02:00
Makefile Linux 6.1.138 2025-05-09 09:41:46 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -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 Restructured Text 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.