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spi: fsl: add missing iounmap() on error in of_fsl_spi_probe()

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Add the missing iounmap() before return from of_fsl_spi_probe()
in the error handling case.

Fixes: 0f0581b24b ("spi: fsl: Convert to use CS GPIO descriptors")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210401140350.1677925-1-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yang Yingliang 2021-04-01 22:03:50 +08:00 committed by Mark Brown
parent d570838efb
commit 5fed9fe5b4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 18 additions and 5 deletions
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23
drivers/spi/spi-fsl-spi.c
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@ -707,6 +707,11 @@ static int of_fsl_spi_probe(struct platform_device *ofdev)
struct resource mem;
int irq, type;
int ret;
bool spisel_boot = false;
#if IS_ENABLED(CONFIG_FSL_SOC)
struct mpc8xxx_spi_probe_info *pinfo = NULL;
#endif
ret = of_mpc8xxx_spi_probe(ofdev);
if (ret)
@ -715,9 +720,8 @@ static int of_fsl_spi_probe(struct platform_device *ofdev)
type = fsl_spi_get_type(&ofdev->dev);
if (type == TYPE_FSL) {
struct fsl_spi_platform_data *pdata = dev_get_platdata(dev);
bool spisel_boot = false;
#if IS_ENABLED(CONFIG_FSL_SOC)
struct mpc8xxx_spi_probe_info *pinfo = to_of_pinfo(pdata);
pinfo = to_of_pinfo(pdata);
spisel_boot = of_property_read_bool(np, "fsl,spisel_boot");
if (spisel_boot) {
@ -746,15 +750,24 @@ static int of_fsl_spi_probe(struct platform_device *ofdev)
ret = of_address_to_resource(np, 0, &mem);
if (ret)
return ret;
goto unmap_out;
irq = platform_get_irq(ofdev, 0);
if (irq < 0)
return irq;
if (irq < 0) {
ret = irq;
goto unmap_out;
}
master = fsl_spi_probe(dev, &mem, irq);
return PTR_ERR_OR_ZERO(master);
unmap_out:
#if IS_ENABLED(CONFIG_FSL_SOC)
if (spisel_boot)
iounmap(pinfo->immr_spi_cs);
#endif
return ret;
}
static int of_fsl_spi_remove(struct platform_device *ofdev)