| Message ID | 20220920032118.6440-1-yuehaibing@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
| Series | [-next] crypto: aspeed - Fix check for platform_get_irq() errors | expand |
> The platform_get_irq() function returns negative on error and positive non-zero > values on success. It never returns zero, but if it did then treat that as a > success. > > Also remove redundant dev_err() print as platform_get_irq() already prints an > error. > > Fixes: 108713a713c7 ("crypto: aspeed - Add HACE hash driver") > Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Neal Liu <neal_liu@aspeedtech.com> > --- > drivers/crypto/aspeed/aspeed-hace.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/crypto/aspeed/aspeed-hace.c > b/drivers/crypto/aspeed/aspeed-hace.c > index 3f880aafb6a2..f7f1d33defb1 100644 > --- a/drivers/crypto/aspeed/aspeed-hace.c > +++ b/drivers/crypto/aspeed/aspeed-hace.c > @@ -130,10 +130,8 @@ static int aspeed_hace_probe(struct platform_device > *pdev) > > /* Get irq number and register it */ > hace_dev->irq = platform_get_irq(pdev, 0); > - if (!hace_dev->irq) { > - dev_err(&pdev->dev, "Failed to get interrupt\n"); > + if (hace_dev->irq < 0) > return -ENXIO; > - } > > rc = devm_request_irq(&pdev->dev, hace_dev->irq, aspeed_hace_irq, 0, > dev_name(&pdev->dev), hace_dev); > -- > 2.17.1
On Tue, Sep 20, 2022 at 11:21:18AM +0800, YueHaibing wrote: > The platform_get_irq() function returns negative on error and > positive non-zero values on success. It never returns zero, but if it > did then treat that as a success. > > Also remove redundant dev_err() print as platform_get_irq() already > prints an error. > > Fixes: 108713a713c7 ("crypto: aspeed - Add HACE hash driver") > Signed-off-by: YueHaibing <yuehaibing@huawei.com> > --- > drivers/crypto/aspeed/aspeed-hace.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) Patch applied. Thanks.
diff --git a/drivers/crypto/aspeed/aspeed-hace.c b/drivers/crypto/aspeed/aspeed-hace.c index 3f880aafb6a2..f7f1d33defb1 100644 --- a/drivers/crypto/aspeed/aspeed-hace.c +++ b/drivers/crypto/aspeed/aspeed-hace.c @@ -130,10 +130,8 @@ static int aspeed_hace_probe(struct platform_device *pdev) /* Get irq number and register it */ hace_dev->irq = platform_get_irq(pdev, 0); - if (!hace_dev->irq) { - dev_err(&pdev->dev, "Failed to get interrupt\n"); + if (hace_dev->irq < 0) return -ENXIO; - } rc = devm_request_irq(&pdev->dev, hace_dev->irq, aspeed_hace_irq, 0, dev_name(&pdev->dev), hace_dev);
The platform_get_irq() function returns negative on error and positive non-zero values on success. It never returns zero, but if it did then treat that as a success. Also remove redundant dev_err() print as platform_get_irq() already prints an error. Fixes: 108713a713c7 ("crypto: aspeed - Add HACE hash driver") Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- drivers/crypto/aspeed/aspeed-hace.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)