powerpc: Squash lines for simple wrapper functions

Remove unneeded variables and assignments.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/ptrace.c

@@ -1594,11 +1594,8 @@ 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,
@@ -1606,11 +1603,8 @@ 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,
@@ -1618,22 +1612,16 @@ 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
@@ -1642,22 +1630,16 @@ 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,

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,