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Subject[PATCH] mtd: rawnand: stm32_fmc2: manage the get_irq error case
Date
During probe, check the "get_irq" error value.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
---
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) {
--
2.7.4
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