[PATCH] sata_rcar: fix error return code in sata_rcar_probe()

From: Gustavo A. R. Silva
Date: Fri Jun 30 2017 - 01:46:52 EST


Print error message and propagate the return value of
platform_get_irq on failure.

Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
---
drivers/ata/sata_rcar.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index ee98447..c936b2a 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -872,8 +872,10 @@ static int sata_rcar_probe(struct platform_device *pdev)
int ret = 0;

irq = platform_get_irq(pdev, 0);
- if (irq <= 0)
- return -EINVAL;
+ if (irq < 0) {
+ dev_err(&pdev->dev, "failed to get IRQ\n");
+ return irq;
+ }

priv = devm_kzalloc(&pdev->dev, sizeof(struct sata_rcar_priv),
GFP_KERNEL);
--
2.5.0