[PATCH 2/6 v3] mmc: s3cmci: Fix platform_get_irq's error checking
From: Ulf Hansson <hidden>
Date: 2017-12-15 09:17:49
Also in:
linux-amlogic, linux-mmc, lkml
From: Ulf Hansson <hidden>
Date: 2017-12-15 09:17:49
Also in:
linux-amlogic, linux-mmc, lkml
On 19 November 2017 at 05:52, Arvind Yadav [off-list ref] wrote:
The platform_get_irq() function returns negative if an error occurs. zero or positive number on success. platform_get_irq() error checking for zero is not correct. Signed-off-by: Arvind Yadav <redacted>
Thanks, applied for next! Kind regards Uffe
--- 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/s3cmci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index f7f157a..36daee1 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c@@ -1658,7 +1658,7 @@ static int s3cmci_probe(struct platform_device *pdev) } host->irq = platform_get_irq(pdev, 0); - if (host->irq == 0) { + if (host->irq <= 0) { dev_err(&pdev->dev, "failed to get interrupt resource.\n"); ret = -EINVAL; goto probe_iounmap; --2.7.4