platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
changes in v2 :
Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid.
changes in v3 :
return -EINVAL instead of host->irq.
drivers/mmc/host/sunxi-mmc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index cc98355d..c926ac8 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1255,6 +1255,11 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
goto error_assert_reset;
host->irq = platform_get_irq(pdev, 0);
+ if (host->irq <= 0) {
+ ret = -EINVAL;
+ goto error_assert_reset;
+ }
+
return devm_request_threaded_irq(&pdev->dev, host->irq, sunxi_mmc_irq,
sunxi_mmc_handle_manual_stop, 0, "sunxi-mmc", host);
--
2.7.4
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