3 files changed, 12 insertions, 43 deletions

diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index b0fefd8f53a6..cde0a66116d2 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -103,9 +103,8 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
 
 	fpvalid = !!tsk_used_math(tsk);
 	if (fpvalid)
-		fpvalid = !fpregs_get(tsk, NULL, 0,
-				      sizeof(struct user_fpu_struct),
-				      fpu, NULL);
+		fpvalid = !fpregs_get(tsk, NULL,
+				      (struct membuf){fpu, sizeof(*fpu)});
 #endif
 
 	return fpvalid;
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 64bfb714943e..5c93bdb6c41a 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -134,26 +134,11 @@ void ptrace_disable(struct task_struct *child)
 
 static int genregs_get(struct task_struct *target,
 		       const struct user_regset *regset,
-		       unsigned int pos, unsigned int count,
-		       void *kbuf, void __user *ubuf)
+		       struct membuf to)
 {
 	const struct pt_regs *regs = task_pt_regs(target);
-	int ret;
 
-	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-				  regs->regs,
-				  0, 16 * sizeof(unsigned long));
-	if (!ret)
-		/* PC, PR, SR, GBR, MACH, MACL, TRA */
-		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-					  &regs->pc,
-					  offsetof(struct pt_regs, pc),
-					  sizeof(struct pt_regs));
-	if (!ret)
-		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
-					       sizeof(struct pt_regs), -1);
-
-	return ret;
+	return membuf_write(&to, regs, sizeof(struct pt_regs));
 }
 
 static int genregs_set(struct task_struct *target,
@@ -182,8 +167,7 @@ static int genregs_set(struct task_struct *target,
 #ifdef CONFIG_SH_FPU
 int fpregs_get(struct task_struct *target,
 	       const struct user_regset *regset,
-	       unsigned int pos, unsigned int count,
-	       void *kbuf, void __user *ubuf)
+	       struct membuf to)
 {
 	int ret;
 
@@ -191,12 +175,8 @@ int fpregs_get(struct task_struct *target,
 	if (ret)
 		return ret;
 
-	if ((boot_cpu_data.flags & CPU_HAS_FPU))
-		return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-					   &target->thread.xstate->hardfpu, 0, -1);
-
-	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
-				   &target->thread.xstate->softfpu, 0, -1);
+	return membuf_write(&to, target->thread.xstate,
+			    sizeof(struct user_fpu_struct));
 }
 
 static int fpregs_set(struct task_struct *target,
@@ -230,20 +210,12 @@ static int fpregs_active(struct task_struct *target,
 #ifdef CONFIG_SH_DSP
 static int dspregs_get(struct task_struct *target,
 		       const struct user_regset *regset,
-		       unsigned int pos, unsigned int count,
-		       void *kbuf, void __user *ubuf)
+		       struct membuf to)
 {
 	const struct pt_dspregs *regs =
 		(struct pt_dspregs *)&target->thread.dsp_status.dsp_regs;
-	int ret;
 
-	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs,
-				  0, sizeof(struct pt_dspregs));
-	if (!ret)
-		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
-					       sizeof(struct pt_dspregs), -1);
-
-	return ret;
+	return membuf_write(&to, regs, sizeof(struct pt_dspregs));
 }
 
 static int dspregs_set(struct task_struct *target,
@@ -324,7 +296,7 @@ static const struct user_regset sh_regsets[] = {
 		.n		= ELF_NGREG,
 		.size		= sizeof(long),
 		.align		= sizeof(long),
-		.get		= genregs_get,
+		.regset_get		= genregs_get,
 		.set		= genregs_set,
 	},
 
@@ -334,7 +306,7 @@ static const struct user_regset sh_regsets[] = {
 		.n		= sizeof(struct user_fpu_struct) / sizeof(long),
 		.size		= sizeof(long),
 		.align		= sizeof(long),
-		.get		= fpregs_get,
+		.regset_get		= fpregs_get,
 		.set		= fpregs_set,
 		.active		= fpregs_active,
 	},
@@ -345,7 +317,7 @@ static const struct user_regset sh_regsets[] = {
 		.n		= sizeof(struct pt_dspregs) / sizeof(long),
 		.size		= sizeof(long),
 		.align		= sizeof(long),
-		.get		= dspregs_get,
+		.regset_get		= dspregs_get,
 		.set		= dspregs_set,
 		.active		= dspregs_active,
 	},
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 67f5a3b44c2e..4144be650d41 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -290,8 +290,6 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_BLK_DEV_RAM
 	rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
-	rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
-	rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
 #endif
 
 	if (!MOUNT_ROOT_RDONLY)