Remove unneeded variables and assignments.

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 arch/powerpc/kernel/ptrace.c            | 42 ++++++++++-----------------------
 arch/powerpc/kvm/booke.c                |  5 +---
 arch/powerpc/platforms/ps3/repository.c | 22 ++++-------------
 3 files changed, 18 insertions(+), 51 deletions(-)

diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index bf91658..1979bae 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1714,11 +1714,8 @@ static int ppr_get(struct task_struct *target,
                      unsigned int pos, unsigned int count,
                      void *kbuf, void __user *ubuf)
 {
-       int ret;
-
-       ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-                               &target->thread.ppr, 0, sizeof(u64));
-       return ret;
+       return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+                                  &target->thread.ppr, 0, sizeof(u64));
 }
 
 static int ppr_set(struct task_struct *target,
@@ -1726,11 +1723,8 @@ static int ppr_set(struct task_struct *target,
                      unsigned int pos, unsigned int count,
                      const void *kbuf, const void __user *ubuf)
 {
-       int ret;
-
-       ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
-                               &target->thread.ppr, 0, sizeof(u64));
-       return ret;
+       return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+                                 &target->thread.ppr, 0, sizeof(u64));
 }
 
 static int dscr_get(struct task_struct *target,
@@ -1738,22 +1732,16 @@ static int dscr_get(struct task_struct *target,
                      unsigned int pos, unsigned int count,
                      void *kbuf, void __user *ubuf)
 {
-       int ret;
-
-       ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-                               &target->thread.dscr, 0, sizeof(u64));
-       return ret;
+       return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+                                  &target->thread.dscr, 0, sizeof(u64));
 }
 static int dscr_set(struct task_struct *target,
                      const struct user_regset *regset,
                      unsigned int pos, unsigned int count,
                      const void *kbuf, const void __user *ubuf)
 {
-       int ret;
-
-       ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
-                               &target->thread.dscr, 0, sizeof(u64));
-       return ret;
+       return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+                                 &target->thread.dscr, 0, sizeof(u64));
 }
 #endif
 #ifdef CONFIG_PPC_BOOK3S_64
@@ -1762,22 +1750,16 @@ static int tar_get(struct task_struct *target,
                      unsigned int pos, unsigned int count,
                      void *kbuf, void __user *ubuf)
 {
-       int ret;
-
-       ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-                               &target->thread.tar, 0, sizeof(u64));
-       return ret;
+       return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+                                  &target->thread.tar, 0, sizeof(u64));
 }
 static int tar_set(struct task_struct *target,
                      const struct user_regset *regset,
                      unsigned int pos, unsigned int count,
                      const void *kbuf, const void __user *ubuf)
 {
-       int ret;
-
-       ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
-                               &target->thread.tar, 0, sizeof(u64));
-       return ret;
+       return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+                                 &target->thread.tar, 0, sizeof(u64));
 }
 
 static int ebb_active(struct task_struct *target,
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 02b4672..881e136 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1767,10 +1767,7 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, 
struct kvm_fpu *fpu)
 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
                                   struct kvm_translation *tr)
 {
-       int r;
-
-       r = kvmppc_core_vcpu_translate(vcpu, tr);
-       return r;
+       return kvmppc_core_vcpu_translate(vcpu, tr);
 }
 
 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
diff --git a/arch/powerpc/platforms/ps3/repository.c 
b/arch/powerpc/platforms/ps3/repository.c
index 814a7ea..50dbaf2 100644
--- a/arch/powerpc/platforms/ps3/repository.c
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -170,14 +170,8 @@ int ps3_repository_read_bus_str(unsigned int bus_index, 
const char *bus_str,
 
 int ps3_repository_read_bus_id(unsigned int bus_index, u64 *bus_id)
 {
-       int result;
-
-       result = read_node(PS3_LPAR_ID_PME,
-               make_first_field("bus", bus_index),
-               make_field("id", 0),
-               0, 0,
-               bus_id, NULL);
-       return result;
+       return read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index),
+                        make_field("id", 0), 0, 0, bus_id, NULL);
 }
 
 int ps3_repository_read_bus_type(unsigned int bus_index,
@@ -224,15 +218,9 @@ int ps3_repository_read_dev_str(unsigned int bus_index,
 int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
        u64 *dev_id)
 {
-       int result;
-
-       result = read_node(PS3_LPAR_ID_PME,
-               make_first_field("bus", bus_index),
-               make_field("dev", dev_index),
-               make_field("id", 0),
-               0,
-               dev_id, NULL);
-       return result;
+       return read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index),
+                        make_field("dev", dev_index), make_field("id", 0), 0,
+                        dev_id, NULL);
 }
 
 int ps3_repository_read_dev_type(unsigned int bus_index,
-- 
1.9.1

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