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Kuninori Morimoto abf594ce91
 ASoC: soc-core: tidyup ret handling for card->disable_route_checks 
commit a22ae72b86 ("ASoC: soc-core: disable route checks for legacy
devices") added card->disable_route_checks to disable route checks
for legacy devices at soc_probe_component() and snd_soc_bind_card().

And commit 6974857c2b ("ASoC: topology: Do not ignore route checks
when parsing graphs") tidyup soc-topology for same reason.

In snd_soc_bind_card() case, if snd_soc_dapm_add_routes() (A) error,
but has card->disable_route_checks case (B), it will indicate
dev_info() only, and then, next function (C) will be called.
Thus, "ret" will be over written, and it is handled as non-error.

	static int snd_soc_bind_card(...)
	{
		...
(A)		ret = snd_soc_dapm_add_routes(...);
		if (ret < 0) {
(B)			if (card->disable_route_checks) {
				dev_info(...);
			} else {
				...
				goto probe_end;
			}
		}

(C)		ret = snd_soc_dapm_add_routes(...);
		...

In soc_probe_component() case, if snd_soc_dapm_add_routes() (a)
error, and has card->disable_route_checks case (b), it will indicate
dev_info(). But there is no next function after that, this means ret is
still indicating error, and will not be over written.
So error handline (c) will be handled, and will return error (d)

	static int soc_probe_component(...)
	{
		...
(a)		ret = snd_soc_dapm_add_routes(...);
		if (ret < 0) {
(b)			if (card->disable_route_checks) {
				dev_info(...);
			} else {
				...
				goto err_probe;
			}
		}

		/* see for_each_card_components */
		list_add(...);

	err_probe:
(c)		if (ret < 0)
			soc_remove_component(...);

(d)		return ret;
	}

In soc_tplg_dapm_graph_elems_load() case, snd_soc_dapm_add_routes()
is called in for loop (1). if it was error (2), and doesn't have
card->disable_route_checks case flag (3), it will break from loop.
If card has flag, it will indicate dev_info() and handled as non-error.
But ret is still indicating error in this case. If this error happen
in last of loop, if will return error (4).

	static int soc_tplg_dapm_graph_elems_load(...)
	{
		...
(1)		for (i = 0; i < count; i++) {
			...
(2)			ret = snd_soc_dapm_add_routes(...);
			if (ret) {
(3)				if (!dapm->card->disable_route_checks) {
					dev_err(...);
					break;
				}
				dev_info(...);
			}
		}

(4)		return ret;
	}

This patch set "ret = 0" for each case.

Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Cc: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87wmg5tzra.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
History 2024-12-16 12:31:26 +00:00
arch - Have the Automatic IBRS setting check on AMD does not falsely fire in 2024-12-08 11:38:56 -08:00
block blk-mq: move cpuhp callback registering out of q->sysfs_lock 2024-12-06 09:48:46 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
Documentation Add audio support for the Renesas RZ/G3S SoC 2024-12-11 17:02:47 +00:00
drivers firmware: cs_dsp: Add KUnit testing of client callbacks 2024-12-13 13:14:48 +00:00
fs 24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM. 2024-12-08 11:26:13 -08:00
include ASoC: fsl: add memory to memory function for ASRC 2024-12-13 17:33:09 +00:00
init - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
io_uring io_uring: Change res2 parameter type in io_uring_cmd_done 2024-12-03 06:33:13 -07:00
ipc - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
kernel - Fix a /proc/interrupts formatting regression 2024-12-08 11:54:04 -08:00
lib 24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM. 2024-12-08 11:26:13 -08:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm 24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM. 2024-12-08 11:26:13 -08:00
net BPF fixes: 2024-12-06 15:07:48 -08:00
rust block-6.13-20242901 2024-11-30 15:47:29 -08:00
samples BPF fixes: 2024-12-06 15:07:48 -08:00
scripts Kbuild fixes for v6.13 2024-12-08 12:01:06 -08:00
security Including fixes from can and netfilter. 2024-12-05 10:25:06 -08:00
sound ASoC: soc-core: tidyup ret handling for card->disable_route_checks 2024-12-16 12:31:26 +00:00
tools 24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM. 2024-12-08 11:26:13 -08:00
usr initramfs: shorten cmd_initfs in usr/Makefile 2024-07-16 01:07:52 +09:00
virt VFIO updates for v6.13 2024-11-27 12:57:03 -08:00
.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: enable Clippy's check-private-items 2024-10-07 21:39:57 +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 MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Kbuild updates for v6.13 2024-11-30 13:41:50 -08:00
.mailmap media updates for v6.13-rc1 2024-11-20 14:01:15 -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 cgroup: Changes for v6.13 2024-11-20 09:54:49 -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 firmware: cs_dsp: Add mock regmap for KUnit testing 2024-12-13 13:14:37 +00:00
Makefile Linux 6.13-rc2 2024-12-08 14:03:39 -08:00
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.