UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

iommu/vt-d: Remove unneeded validity check on dev 

dev_iommu_priv_get() is being used at the top of this function which
dereferences dev. Dev cannot be NULL after this. Remove the validity
check on dev and simplify the code.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20220313150337.593650-1-usama.anjum@collabora.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20220510023407.2759143-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Muhammad Usama Anjum 2022-05-10 10:34:00 +08:00 committed by Joerg Roedel
parent b8397a8f4e
commit cd901e9284
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/iommu/intel/iommu.c
View File

@ -2501,7 +2501,7 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu,
}
}
if (dev && domain_context_mapping(domain, dev)) {
if (domain_context_mapping(domain, dev)) {
dev_err(dev, "Domain context map failed\n");
dmar_remove_one_dev_info(dev);
return NULL;