Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 6/6 v2] mmc: sunxi-mmc: Handle return value of platform_get_irq | Date | Sat, 18 Nov 2017 15:03:48 +0530 |
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platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid.
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..ec2a16b 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 = host->irq; + 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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