[PATCH 11/31] mmc: sdhci-msm: fix potential mem leak in sdhci_msm_probe()
From: Yangtao Li <tiny.windzz@gmail.com>
Date: 2021-01-01 16:59:02
Also in:
dri-devel, linux-arm-msm, linux-media, linux-mmc, linux-pm, linux-samsung-soc, linux-spi, linux-tegra, lkml
Subsystem:
arm/qualcomm mailing list, multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, the rest · Maintainers:
Ulf Hansson, Adrian Hunter, Linus Torvalds
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@gmail.com> --- drivers/mmc/host/sdhci-msm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 9c7927b03253..094ef95f5ecc 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c@@ -2291,9 +2291,12 @@ static int sdhci_msm_probe(struct platform_device *pdev) /* 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 opp_put_clkname; + if (ret) { + dev_pm_opp_put_clkname(msm_host->opp_table); + if (ret != -ENODEV) { + dev_err(&pdev->dev, "Invalid OPP table in Device tree\n"); + goto bus_clk_disable; + } } /* Vote for maximum clock rate for maximum performance */
@@ -2461,7 +2464,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) msm_host->bulk_clks); opp_cleanup: dev_pm_opp_of_remove_table(&pdev->dev); -opp_put_clkname: dev_pm_opp_put_clkname(msm_host->opp_table); bus_clk_disable: if (!IS_ERR(msm_host->bus_clk))
--
2.25.1