iommu/vt-d: Remove unnecessary (void*) conversions

No need cast (void*) to (struct root_entry *).

Signed-off-by: Suhui <suhui@nfschina.com>
Link: https://lore.kernel.org/r/20230425033743.75986-1-suhui@nfschina.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index b871a6a..323fa1a 100644 (file)
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1185,7 +1185,7 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu)
 {
        struct root_entry *root;
 
-       root = (struct root_entry *)alloc_pgtable_page(iommu->node, GFP_ATOMIC);
+       root = alloc_pgtable_page(iommu->node, GFP_ATOMIC);
        if (!root) {
                pr_err("Allocating root entry for %s failed\n",
                        iommu->name);