[PATCH AUTOSEL 5.7 326/388] pinctrl: freescale: imx: Use 'devm_of_iomap()' to avoid a resource leak in case of error in 'imx_pinctrl_probe()'

Sasha Levin
2020-06-18T02:32:50Z

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit ba403242615c2c99e27af7984b1650771a2cc2c9 ]

Use 'devm_of_iomap()' instead 'of_iomap()' to avoid a resource leak in
case of error.

Update the error handling code accordingly.

Fixes: 26d8cde5260b ("pinctrl: freescale: imx: add shared input select reg support")
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200602200626.677981-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/pinctrl/freescale/pinctrl-imx.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 1f81569c7ae3..cb7e0f08d2cf 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -824,12 +824,13 @@ int imx_pinctrl_probe(struct platform_device *pdev,
return -EINVAL;
}

- ipctl->input_sel_base = of_iomap(np, 0);
+ ipctl->input_sel_base = devm_of_iomap(&pdev->dev, np,
+ 0, NULL);
of_node_put(np);
- if (!ipctl->input_sel_base) {
+ if (IS_ERR(ipctl->input_sel_base)) {
dev_err(&pdev->dev,
"iomuxc input select base address not found\n");
- return -ENOMEM;
+ return PTR_ERR(ipctl->input_sel_base);
}
}
}
--
2.25.1