diff mbox series

[4.14,088/176] mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe

Message ID 20210301161025.344197795@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH March 1, 2021, 4:12 p.m. UTC 
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 6052b3c370fb82dec28bcfff6d7ec0da84ac087a ]

A call to 'ausdhi6_dma_release()' to undo a previous call to
'usdhi6_dma_request()' is missing in the error handling path of the probe
function.

It is already present in the remove function.

Fixes: 75fa9ea6e3c0 ("mmc: add a driver for the Renesas usdhi6rol0 SD/SDIO host controller")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201217210922.165340-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mmc/host/usdhi6rol0.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
index 64da6a88cfb90..76e31a30b0cf9 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -1866,10 +1866,12 @@  static int usdhi6_probe(struct platform_device *pdev)
 
 	ret = mmc_add_host(mmc);
 	if (ret < 0)
-		goto e_clk_off;
+		goto e_release_dma;
 
 	return 0;
 
+e_release_dma:
+	usdhi6_dma_release(host);
 e_clk_off:
 	clk_disable_unprepare(host->clk);
 e_free_mmc: