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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39e3987cdeesm1219657a91.1.2026.09.17.05.11.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 05:11:46 -0700 (PDT) From: phucduc.bui@gmail.com To: Jaroslav Kysela , Takashi Iwai , Liam Girdwood , Mark Brown , Nicolin Chen , Fabio Estevam , Xiubo Li , Shengjiu Wang Cc: linuxppc-dev@lists.ozlabs.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH] ASoC: fsl_asrc_m2m: fix pm_runtime usage counter leak on error Date: Thu, 17 Sep 2026 19:11:36 +0700 Message-ID: <20260917121136.32527-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc pm_runtime_get_sync() leaves the runtime PM usage counter incremented even when it fails, but the error path in fsl_asrc_m2m_comp_open() does not call pm_runtime_put_noidle() to balance it, leaking a reference each time resume fails. Use pm_runtime_resume_and_get() instead, which automatically drops the usage counter on failure, fixing the leak. Fixes: 24a01710f627 ("ASoC: fsl_asrc_m2m: Add memory to memory function") Signed-off-by: bui duc phuc --- sound/soc/fsl/fsl_asrc_m2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_asrc_m2m.c b/sound/soc/fsl/fsl_asrc_m2m.c index 4bc40f328f58..8bd2a144dbf9 100644 --- a/sound/soc/fsl/fsl_asrc_m2m.c +++ b/sound/soc/fsl/fsl_asrc_m2m.c @@ -320,7 +320,7 @@ static int fsl_asrc_m2m_comp_open(struct snd_compr_stream *stream) if (ret) goto error_alloc_out_buf; - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) { dev_err(dev, "Failed to power up asrc\n"); goto err_pm_runtime; -- 2.43.0