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Sat, 10 Jun 2023 13:36:39 +0200 Message-ID: <3a7476b6-2ae9-494e-1840-0915ddf47c2f@web.de> Date: Sat, 10 Jun 2023 13:36:37 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 To: kernel-janitors@vger.kernel.org, alsa-devel@alsa-project.org, sound-open-firmware@alsa-project.org, Bard Liao , Daniel Baluta , Jaroslav Kysela , Jyri Sarha , Kai Vehmanen , Liam Girdwood , Mark Brown , Peter Ujfalusi , Pierre-Louis Bossart , Rander Wang , Ranjani Sridharan Cc: LKML , cocci@inria.fr, Dan Carpenter References: <20230322181830.574635-1-jyri.sarha@linux.intel.com> Subject: [PATCH] ASoC: SOF: ipc4-topology: Improve unlocking of a mutex in sof_ipc4_widget_free() Content-Language: en-GB From: Markus Elfring In-Reply-To: <20230322181830.574635-1-jyri.sarha@linux.intel.com> X-Provags-ID: V03:K1:wH7mt4BmBOHl2bT+2stSVV504BUjp0cScJU4RPbli9haTm1LPjS yEjz82eswp9H9eqLP8TPErdJ3OsYof91tMhb1Hj2gGOefWbCT1l2HNMdNQ8IMMWScwjiBhl t+NCeoGXQIM2PixuSttZRtOx+YuR75LCIEdn5NU2mp45GBwHRD/efJtIKVDVo/x4v5dZPND GBDvwXBpw7oVLyFrx+y+A== UI-OutboundReport: notjunk:1;M01:P0:swMfz+U+qwQ=;xPmNxZHmQ9wMqTfQ1A4Y+b68NUI B2D2xmQK6pq2x95GThKnWl091GVzVqFFxZqRR2v3JE67vLD+0qDjDY/kxvsHGPpz6bOVolrUI MwX3/9eeJ9quQrCo8F8UMwk/V5VEDfs2UScKfHK2UVL0d4cF2Bv7klPx2/m0nyWN8/e21E10C Ps7a1A9PtehSaSih1Omw8HNm+E06PXxEeAc0gQwekoX7bLeIeUDOU/ijFU+qvJ6yHHwbMg1wF OOQbAwIgFeh0/MO52V0Ey4SoDSDmzBxyA3VaR7mmwWF7sWtV31Skl8Pq3qVdTWZ6EZj0k1VKK hUlCCDY8I9OwTpmKu54uDW6xh0Sev1WnmWEAfTheTUNrrI0vhPebwjNvJul1Ai4OinQWU0AvE GdiFIw9TZ+AZ5v30e/7dC3vVx38FvqYpbGsXnzI/4/66PHsUe2XB2eI+r+py1SbVZFwBy7LHh LmTiwqUvsgzf3IvpfICmzvABcfoh/ME6fs2X/hKIGOsiTkJjJmAZ6hSRnMK8eCmIKFrf8LLJP bmOlaiHMBLEny9v/T9cRRuXbHnAu68Ip6WEzhvyeijrk8vmwEjwmwQX1XrKm4VpKwV39US/4C GiTc4+9AwNrN2qAxKUnSEAavh5lIXYeTQus34xJ2puJ6GItjwNinvY2SIMiyZanmOeoEnu2kU m5PU3wSDGGjzGYQaoc8Fl3VSn0Vhxa1wSNNsCm+GyE+g723CMQa9AD5oSbb9STnqxHKNCWJ0n t4WusowhqtTun5lQEYwwI/Bf10EzqtRGcuRpPRTCMWKIRZ14//91HZGQhfJvZ5/z4xBBIRDFN F8K02Rvx+DOgL74bsZKWCPYv0Ll+kTXgxFixmk2a3ch/GSmdXZtwSpbZAUeCvBg1MZqQ5giJC dJhJrOFYC+cQjM5RhlYSIbO5evaoCLiJc+aM8+EBrvbRBmGpVuvD5nvgXJ2Fn0EG8ebPodYXc bSpSZ9NHtx6mFymKz3eMAR87unc= Message-ID-Hash: 5ZQ2RUXYSF2SZFOQZPEPSOAYWSQTGHEC X-Message-ID-Hash: 5ZQ2RUXYSF2SZFOQZPEPSOAYWSQTGHEC X-MailFrom: Markus.Elfring@web.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Markus Elfring Date: Sat, 10 Jun 2023 12:40:09 +0200 Add a jump target so that a call of the function “mutex_unlock” is stored only once in this function implementation. Signed-off-by: Markus Elfring --- sound/soc/sof/ipc4-topology.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) -- 2.41.0 diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index a4e1a70b607d..f0fd1dfa384e 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -2300,8 +2300,7 @@ static int sof_ipc4_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget if (pipeline->use_chain_dma) { dev_warn(sdev->dev, "use_chain_dma set for scheduler %s", swidget->widget->name); - mutex_unlock(&ipc4_data->pipeline_state_mutex); - return 0; + goto unlock; } header = SOF_IPC4_GLB_PIPE_INSTANCE_ID(swidget->instance_id); @@ -2326,7 +2325,7 @@ static int sof_ipc4_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget if (!pipeline->use_chain_dma) ida_free(&fw_module->m_ida, swidget->instance_id); } - +unlock: mutex_unlock(&ipc4_data->pipeline_state_mutex); return ret;