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Sudeep Holla 921b090841 pmdomain: arm: scmi: Fix genpd leak on provider registration failure commit `7458f72cc2` upstream. If of_genpd_add_provider_onecell() fails during probe, the previously created generic power domains are not removed, leading to a memory leak and potential kernel crash later in genpd_debug_add(). Add proper error handling to unwind the initialized domains before returning from probe to ensure all resources are correctly released on failure. Example crash trace observed without this fix: \| Unable to handle kernel paging request at virtual address fffffffffffffc70 \| CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.18.0-rc1 #405 PREEMPT \| Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform \| pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) \| pc : genpd_debug_add+0x2c/0x160 \| lr : genpd_debug_init+0x74/0x98 \| Call trace: \| genpd_debug_add+0x2c/0x160 (P) \| genpd_debug_init+0x74/0x98 \| do_one_initcall+0xd0/0x2d8 \| do_initcall_level+0xa0/0x140 \| do_initcalls+0x60/0xa8 \| do_basic_setup+0x28/0x40 \| kernel_init_freeable+0xe8/0x170 \| kernel_init+0x2c/0x140 \| ret_from_fork+0x10/0x20 Fixes: `898216c97e` ("firmware: arm_scmi: add device power domain support using genpd") Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		History 2025-11-24 10:36:04 +01:00
arch	LoongArch: Use physical addresses for CSR_MERRENTRY/CSR_TLBRENTRY	2025-11-24 10:36:02 +01:00
block	blk-cgroup: fix possible deadlock while configuring policy	2025-11-13 15:34:07 -05:00
certs	sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3	2024-09-20 19:52:48 +03:00
crypto	crypto: essiv - Check ssize for decryption and in-place encryption	2025-10-19 16:33:42 +02:00
Documentation	dpll: spec: add missing module-name and clock-id to pin-get reply	2025-11-13 15:33:59 -05:00
drivers	pmdomain: arm: scmi: Fix genpd leak on provider registration failure	2025-11-24 10:36:04 +01:00
fs	btrfs: release root after error in data_reloc_print_warning_inode()	2025-11-24 10:36:03 +01:00
include	dma-mapping: benchmark: Restore padding to ensure uABI remained consistent	2025-11-24 10:35:59 +01:00
init	init: handle bootloader identifier in kernel parameters	2025-10-19 16:33:50 +02:00
io_uring	io_uring/zctx: check chained notif contexts	2025-11-13 15:34:03 -05:00
ipc	ipc: fix to protect IPCS lookups using RCU	2025-06-27 11:11:22 +01:00
kernel	PM: hibernate: Use atomic64_t for compressed_size variable	2025-11-24 10:36:03 +01:00
lib	lib/crypto: curve25519-hacl64: Fix older clang KASAN workaround for GCC	2025-11-13 15:34:40 -05:00
LICENSES	LICENSES: add 0BSD license text	2024-09-01 20:43:24 -07:00
mm	codetag: debug: handle existing CODETAG_EMPTY in mark_objexts_empty for slabobj_ext	2025-11-24 10:36:01 +01:00
net	wifi: mac80211: reject address change while connecting	2025-11-24 10:36:00 +01:00
rust	rust: Add -fno-isolate-erroneous-paths-dereference to bindgen_skip_c_flags	2025-11-24 10:35:49 +01:00
samples	ftrace/samples: Fix function size computation	2025-09-19 16:35:44 +02:00
scripts	gcc-plugins: Remove TODO_verify_il for GCC >= 16	2025-10-06 11:17:52 +02:00
security	ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr	2025-11-13 15:34:32 -05:00
sound	ALSA: usb-audio: Fix potential overflow of PCM transfer buffer	2025-11-24 10:36:01 +01:00
tools	selftests/user_events: fix type cast for write_index packed member in perf_test	2025-11-24 10:36:02 +01:00
usr	kbuild: uapi: Strip comments before size type check	2025-11-13 15:34:35 -05:00
virt	KVM: Allow CPU to reschedule while setting per-page memory attributes	2025-07-17 18:37:08 +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: give Clippy the minimum supported Rust version	2025-08-01 09:48:44 +01:00
.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 6.12.58	2025-11-13 15:34:41 -05:00
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.