Re: [PATCH -next] iommu/sun50i: Fix return value check in sun50i_iommu_probe()
On Tue, May 19, 2020 at 09:18:57AM +, Wei Yongjun wrote: > In case of error, the function devm_platform_ioremap_resource() returns > ERR_PTR() not NULL. The NULL test in the return value check must be > replaced with IS_ERR(). > > Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver") > Reported-by: Hulk Robot > Signed-off-by: Wei Yongjun > --- > drivers/iommu/sun50i-iommu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied, thanks.
Re: [PATCH -next] iommu/sun50i: Fix return value check in sun50i_iommu_probe()
On Tue, May 19, 2020 at 09:18:57AM +, Wei Yongjun wrote: > In case of error, the function devm_platform_ioremap_resource() returns > ERR_PTR() not NULL. The NULL test in the return value check must be > replaced with IS_ERR(). > > Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver") > Reported-by: Hulk Robot > Signed-off-by: Wei Yongjun Acked-by: Maxime Ripard Thanks! Maxime signature.asc Description: PGP signature
[PATCH -next] iommu/sun50i: Fix return value check in sun50i_iommu_probe()
In case of error, the function devm_platform_ioremap_resource() returns ERR_PTR() not NULL. The NULL test in the return value check must be replaced with IS_ERR(). Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun --- drivers/iommu/sun50i-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 9c763d4a8e2a..1fa09ddcebd4 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -941,7 +941,7 @@ static int sun50i_iommu_probe(struct platform_device *pdev) } iommu->base = devm_platform_ioremap_resource(pdev, 0); - if (!iommu->base) { + if (IS_ERR(iommu->base)) { ret = PTR_ERR(iommu->base); goto err_free_group; }