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mmc: alcor: Fix a resource leak in the error path for ->probe()

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[ Upstream commit 7c277dd2b0 ]

If devm_request_threaded_irq() fails, the allocated struct mmc_host needs
to be freed via calling mmc_free_host(), so let's do that.

Fixes: c5413ad815 ("mmc: add new Alcor Micro Cardreader SD/MMC driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20200426202355.43055-1-christophe.jaillet@wanadoo.fr
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET
2020-04-26 22:23:55 +02:00
committed by Greg Kroah-Hartman
parent 62f217e0a9
commit e0830bb377
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/host/alcor.c
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@@ -1104,7 +1104,7 @@ static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "Failed to get irq for data line\n");
return ret;
goto free_host;
}
mutex_init(&host->cmd_mutex);
@@ -1116,6 +1116,10 @@ static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, host);
mmc_add_host(mmc);
return 0;
free_host:
mmc_free_host(mmc);
return ret;
}
static int alcor_pci_sdmmc_drv_remove(struct platform_device *pdev)