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

Suhui · joergroedel · commit 82d9654f92fd · 2023-06-16T16:38:31.000+02:00
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
@@ -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);

Original file line number	Diff line number	Diff line change
`@@ -1185,7 +1185,7 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu)`
`1185`	`1185`	`{`
`1186`	`1186`	`struct root_entry *root;`
`1187`	`1187`
`1188`		`- root = (struct root_entry *)alloc_pgtable_page(iommu->node, GFP_ATOMIC);`
	`1188`	`+ root = alloc_pgtable_page(iommu->node, GFP_ATOMIC);`
`1189`	`1189`	`if (!root) {`
`1190`	`1190`	`pr_err("Allocating root entry for %s failed\n",`
`1191`	`1191`	`iommu->name);`