2019-12-10 15:18:17

by Christophe Leroy

[permalink] [raw]
Subject: [PATCH v2 2/2] spi: fsl: simplify error path in of_fsl_spi_probe()

No need to 'goto err;' for just doing a return.
return directly from where the error happens.

Signed-off-by: Christophe Leroy <[email protected]>
---
drivers/spi/spi-fsl-spi.c | 27 +++++++++------------------
1 file changed, 9 insertions(+), 18 deletions(-)

diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 2d85c81983b1..e991c6ff4e7a 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -725,8 +725,8 @@ static int of_fsl_spi_probe(struct platform_device *ofdev)
struct device_node *np = ofdev->dev.of_node;
struct spi_master *master;
struct resource mem;
- int irq = 0, type;
- int ret = -ENOMEM;
+ int irq, type;
+ int ret;

ret = of_mpc8xxx_spi_probe(ofdev);
if (ret)
@@ -741,10 +741,8 @@ static int of_fsl_spi_probe(struct platform_device *ofdev)

if (spisel_boot) {
pinfo->immr_spi_cs = ioremap(get_immrbase() + IMMR_SPI_CS_OFFSET, 4);
- if (!pinfo->immr_spi_cs) {
- ret = -ENOMEM;
- goto err;
- }
+ if (!pinfo->immr_spi_cs)
+ return -ENOMEM;
}
#endif
/*
@@ -763,24 +761,17 @@ static int of_fsl_spi_probe(struct platform_device *ofdev)

ret = of_address_to_resource(np, 0, &mem);
if (ret)
- goto err;
+ return ret;

irq = of_irq_to_resource(np, 0, NULL);
- if (irq <= 0) {
- ret = -EINVAL;
- goto err;
- }
+ if (irq <= 0)
+ return -EINVAL;

master = fsl_spi_probe(dev, &mem, irq);
- if (IS_ERR(master)) {
- ret = PTR_ERR(master);
- goto err;
- }
+ if (IS_ERR(master))
+ return PTR_ERR(master);

return 0;
-
-err:
- return ret;
}

static int of_fsl_spi_remove(struct platform_device *ofdev)
--
2.13.3


2020-01-14 15:36:22

by Mark Brown

[permalink] [raw]
Subject: Re: [PATCH v2 2/2] spi: fsl: simplify error path in of_fsl_spi_probe()

On Tue, Dec 10, 2019 at 03:17:16PM +0000, Christophe Leroy wrote:
> No need to 'goto err;' for just doing a return.
> return directly from where the error happens.

This doesn't apply against current code, please check and resend.


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