* [PATCH] iommu: arm-smmu: Handle return of iommu_device_register.
@ 2017-06-22 7:27 Arvind Yadav
0 siblings, 0 replies; only message in thread
From: Arvind Yadav @ 2017-06-22 7:27 UTC (permalink / raw)
To: linux-arm-kernel
iommu_device_register can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/iommu/arm-smmu-v3.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 7d3f08a..182eb38 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2736,6 +2736,8 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
iommu_device_set_fwnode(&smmu->iommu, dev->fwnode);
ret = iommu_device_register(&smmu->iommu);
+ if (ret)
+ return ret;
#ifdef CONFIG_PCI
if (pci_bus_type.iommu_ops != &arm_smmu_ops) {
--
1.9.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2017-06-22 7:27 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-06-22 7:27 [PATCH] iommu: arm-smmu: Handle return of iommu_device_register Arvind Yadav
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).