[Xen-devel] [PATCH] xen/x86: Remove unnecessary cast on void pointer

[Simran Singhal <singhalsimran0@xxxxxxxxx>]

Assignment to a typed pointer is sufficient in C.
No cast is needed.

Signed-off-by: Simran Singhal <singhalsimran0@xxxxxxxxx>
---
 xen/arch/x86/acpi/cpufreq/powernow.c | 2 +-
 xen/arch/x86/cpu/vpmu.c              | 2 +-
 xen/arch/x86/hpet.c                  | 2 +-
 xen/arch/x86/hvm/save.c              | 2 +-
 xen/arch/x86/hvm/vmx/vvmx.c          | 4 ++--
 xen/arch/x86/mm/p2m-pt.c             | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/xen/arch/x86/acpi/cpufreq/powernow.c 
b/xen/arch/x86/acpi/cpufreq/powernow.c
index 3cf9c6cd05..f620bebc7e 100644
--- a/xen/arch/x86/acpi/cpufreq/powernow.c
+++ b/xen/arch/x86/acpi/cpufreq/powernow.c
@@ -58,7 +58,7 @@ static void transition_pstate(void *pstate)
 
 static void update_cpb(void *data)
 {
-    struct cpufreq_policy *policy = (struct cpufreq_policy *)data;
+    struct cpufreq_policy *policy = data;
 
     if (policy->turbo != CPUFREQ_TURBO_UNSUPPORTED) {
         uint64_t msr_content;
diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c
index e50d478d23..1ed39ef03f 100644
--- a/xen/arch/x86/cpu/vpmu.c
+++ b/xen/arch/x86/cpu/vpmu.c
@@ -337,7 +337,7 @@ void vpmu_do_interrupt(struct cpu_user_regs *regs)
 
 static void vpmu_save_force(void *arg)
 {
-    struct vcpu *v = (struct vcpu *)arg;
+    struct vcpu *v = arg;
     struct vpmu_struct *vpmu = vcpu_vpmu(v);
 
     if ( !vpmu_is_set(vpmu, VPMU_CONTEXT_LOADED) )
diff --git a/xen/arch/x86/hpet.c b/xen/arch/x86/hpet.c
index 86929b9ba1..c46e7cf4ee 100644
--- a/xen/arch/x86/hpet.c
+++ b/xen/arch/x86/hpet.c
@@ -215,7 +215,7 @@ again:
 static void hpet_interrupt_handler(int irq, void *data,
         struct cpu_user_regs *regs)
 {
-    struct hpet_event_channel *ch = (struct hpet_event_channel *)data;
+    struct hpet_event_channel *ch = data;
 
     this_cpu(irq_count)--;
 
diff --git a/xen/arch/x86/hvm/save.c b/xen/arch/x86/hvm/save.c
index 0fc59d3487..a2c56fbc1e 100644
--- a/xen/arch/x86/hvm/save.c
+++ b/xen/arch/x86/hvm/save.c
@@ -417,7 +417,7 @@ void _hvm_read_entry(struct hvm_domain_context *h, void 
*dest,
     memcpy(dest, &h->data[h->cur], d->length);
 
     if ( d->length < dest_len )
-        memset((char *)dest + d->length, 0, dest_len - d->length);
+        memset(dest + d->length, 0, dest_len - d->length);
 
     h->cur += d->length;
 }
diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
index f049920196..a53d3ca2a4 100644
--- a/xen/arch/x86/hvm/vmx/vvmx.c
+++ b/xen/arch/x86/hvm/vmx/vvmx.c
@@ -256,7 +256,7 @@ static int vvmcs_offset(u32 width, u32 type, u32 index)
 u64 get_vvmcs_virtual(void *vvmcs, u32 vmcs_encoding)
 {
     union vmcs_encoding enc;
-    u64 *content = (u64 *) vvmcs;
+    u64 *content = vvmcs;
     int offset;
     u64 res;
 
@@ -310,7 +310,7 @@ enum vmx_insn_errno get_vvmcs_real_safe(const struct vcpu 
*v, u32 encoding,
 void set_vvmcs_virtual(void *vvmcs, u32 vmcs_encoding, u64 val)
 {
     union vmcs_encoding enc;
-    u64 *content = (u64 *) vvmcs;
+    u64 *content = vvmcs;
     int offset;
     u64 res;
 
diff --git a/xen/arch/x86/mm/p2m-pt.c b/xen/arch/x86/mm/p2m-pt.c
index eb66077496..058b9b8adf 100644
--- a/xen/arch/x86/mm/p2m-pt.c
+++ b/xen/arch/x86/mm/p2m-pt.c
@@ -127,7 +127,7 @@ p2m_find_entry(void *table, unsigned long *gfn_remainder,
         return NULL;
     }
     *gfn_remainder &= (1 << shift) - 1;
-    return (l1_pgentry_t *)table + index;
+    return table + index;
 }
 
 /* Free intermediate tables from a p2m sub-tree */
-- 
2.17.1