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Date: Fri, 1 Jan 2021 16:54:44 +0000 From: Yangtao Li <tiny.windzz@...il.com> To: myungjoo.ham@...sung.com, kyungmin.park@...sung.com, cw00.choi@...sung.com, krzk@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, linux-imx@....com, digetx@...il.com, thierry.reding@...il.com, jonathanh@...dia.com, yuq825@...il.com, airlied@...ux.ie, daniel@...ll.ch, robdclark@...il.com, sean@...rly.run, robh@...nel.org, tomeu.vizoso@...labora.com, steven.price@....com, alyssa.rosenzweig@...labora.com, stanimir.varbanov@...aro.org, agross@...nel.org, bjorn.andersson@...aro.org, mchehab@...nel.org, lukasz.luba@....com, adrian.hunter@...el.com, ulf.hansson@...aro.org, vireshk@...nel.org, nm@...com, sboyd@...nel.org, broonie@...nel.org, gregkh@...uxfoundation.org, jirislaby@...nel.org, rjw@...ysocki.net, jcrouse@...eaurora.org, hoegsberg@...gle.com, eric@...olt.net, tzimmermann@...e.de, marijn.suijten@...ainline.org, gustavoars@...nel.org, emil.velikov@...labora.com, jonathan@...ek.ca, akhilpo@...eaurora.org, smasetty@...eaurora.org, airlied@...hat.com, masneyb@...tation.org, kalyan_t@...eaurora.org, tanmay@...eaurora.org, tiny.windzz@...il.com, ddavenport@...omium.org, jsanka@...eaurora.org, rnayak@...eaurora.org, tongtiangen@...wei.com, miaoqinglang@...wei.com, khsieh@...eaurora.org, abhinavk@...eaurora.org, chandanu@...eaurora.org, groeck@...omium.org, varar@...eaurora.org, mka@...omium.org, harigovi@...eaurora.org, rikard.falkeborn@...il.com, natechancellor@...il.com, georgi.djakov@...aro.org, akashast@...eaurora.org, parashar@...eaurora.org, dianders@...omium.org Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org, lima@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org, linux-media@...r.kernel.org, linux-mmc@...r.kernel.org, linux-spi@...r.kernel.org, linux-serial@...r.kernel.org Subject: [PATCH 08/31] spi: spi-qcom-qspi: fix potential mem leak in spi_geni_probe() We should use dev_pm_opp_put_clkname() to free opp table each time dev_pm_opp_of_add_table() got error. Signed-off-by: Yangtao Li <tiny.windzz@...il.com> --- drivers/spi/spi-geni-qcom.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 512e925d5ea4..2b5a164fecb9 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -620,9 +620,12 @@ static int spi_geni_probe(struct platform_device *pdev) return PTR_ERR(mas->se.opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (ret && ret != -ENODEV) { - dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - goto put_clkname; + if (ret) { + dev_pm_opp_put_clkname(mas->se.opp_table); + if (ret != -ENODEV) { + dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + return ret; + } } spi->bus_num = -1; @@ -675,7 +678,6 @@ static int spi_geni_probe(struct platform_device *pdev) spi_geni_probe_runtime_disable: pm_runtime_disable(dev); dev_pm_opp_of_remove_table(&pdev->dev); -put_clkname: dev_pm_opp_put_clkname(mas->se.opp_table); return ret; } -- 2.25.1
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