diff mbox series

mmc: alcor: Fix a resource leak in an error handling path in 'alcor_pci_sdmmc_drv_probe()'

Message ID 20200426202355.43055-1-christophe.jaillet@wanadoo.fr
State New
Headers show
Series mmc: alcor: Fix a resource leak in an error handling path in 'alcor_pci_sdmmc_drv_probe()' | expand

Commit Message

Christophe JAILLET April 26, 2020, 8:23 p.m. UTC
If 'devm_request_threaded_irq()' fails, resources allocated by
'mmc_alloc_host()' must be freed.

Fixes: c5413ad815a6 ("mmc: add new Alcor Micro Cardreader SD/MMC driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/mmc/host/alcor.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mmc/host/alcor.c b/drivers/mmc/host/alcor.c
index 1aee485d56d4..026ca9194ce5 100644
--- a/drivers/mmc/host/alcor.c
+++ b/drivers/mmc/host/alcor.c
@@ -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)