Re: [PATCH] mtd: rawnand: stm32_fmc2: manage the get_irq error case
From: Christophe Kerello
Date: Thu Apr 25 2019 - 03:59:00 EST
On 4/24/19 4:49 PM, Fabien Dessenne wrote:
During probe, check the "get_irq" error value.
Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxx>
Acked-by: Christophe Kerello <christophe.kerello@xxxxxx>
---
drivers/mtd/nand/raw/stm32_fmc2_nand.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
index 999ca6a..4aabea2 100644
--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
@@ -1909,6 +1909,12 @@ static int stm32_fmc2_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ if (irq != -EPROBE_DEFER)
+ dev_err(dev, "IRQ error missing or invalid\n");
+ return irq;
+ }
+
ret = devm_request_irq(dev, irq, stm32_fmc2_irq, 0,
dev_name(dev), fmc2);
if (ret) {