sh: __user annotations for __get/__put_user().

This adds in some more __user annotations. These weren't being
handled properly in some of the __get_user and __put_user paths,
so tidy those up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 12 insertions, 14 deletions

diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index a11e2aa73cb..aa9c8112140 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -17,6 +17,7 @@
 #include <linux/kexec.h>
 #include <linux/kdebug.h>
 #include <linux/tick.h>
+#include <linux/reboot.h>
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/pgalloc.h>
@@ -449,23 +450,20 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
 /*
  * sys_execve() executes a new program.
  */
-asmlinkage int sys_execve(char *ufilename, char **uargv,
-			  char **uenvp, unsigned long r7,
+asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv,
+			  char __user * __user *uenvp, unsigned long r7,
 			  struct pt_regs __regs)
 {
 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
 	int error;
 	char *filename;
 
-	filename = getname((char __user *)ufilename);
+	filename = getname(ufilename);
 	error = PTR_ERR(filename);
 	if (IS_ERR(filename))
 		goto out;
 
-	error = do_execve(filename,
-			  (char __user * __user *)uargv,
-			  (char __user * __user *)uenvp,
-			  regs);
+	error = do_execve(filename, uargv, uenvp, regs);
 	if (error == 0) {
 		task_lock(current);
 		current->ptrace &= ~PT_DTRACE;
diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c
index 3fb5fc0b550..f2eaa485d04 100644
--- a/arch/sh/kernel/ptrace.c
+++ b/arch/sh/kernel/ptrace.c
@@ -99,7 +99,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = -EIO;
 		if (copied != sizeof(tmp))
 			break;
-		ret = put_user(tmp,(unsigned long *) data);
+		ret = put_user(tmp,(unsigned long __user *) data);
 		break;
 	}
 
@@ -128,7 +128,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			tmp = !!tsk_used_math(child);
 		else
 			tmp = 0;
-		ret = put_user(tmp, (unsigned long *)data);
+		ret = put_user(tmp, (unsigned long __user *)data);
 		break;
 	}
 
@@ -196,7 +196,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 	case PTRACE_SINGLESTEP: {  /* set the trap flag. */
 		long pc;
-		struct pt_regs *dummy = NULL;
+		struct pt_regs *regs = NULL;
 
 		ret = -EIO;
 		if (!valid_signal(data))
@@ -207,7 +207,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			child->ptrace |= PT_DTRACE;
 		}
 
-		pc = get_stack_long(child, (long)&dummy->pc);
+		pc = get_stack_long(child, (long)&regs->pc);
 
 		/* Next scheduling will set up UBC */
 		if (child->thread.ubc_pc == 0)
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index b32c35a7c0a..4fc5b402b21 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -261,14 +261,14 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
 		goto badframe;
 	/* It is more difficult to avoid calling this function than to
 	   call it and ignore errors.  */
-	do_sigaltstack(&st, NULL, regs->regs[15]);
+	do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame);
 
 	return r0;
 
 badframe:
 	force_sig(SIGSEGV, current);
 	return 0;
-}	
+}
 
 /*
  * Set up a signal frame.
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 5b75cb6f8f9..299b8cf0f51 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -581,7 +581,7 @@ uspace_segv:
 		info.si_signo = SIGBUS;
 		info.si_errno = 0;
 		info.si_code = si_code;
-		info.si_addr = (void *) address;
+		info.si_addr = (void __user *)address;
 		force_sig_info(SIGBUS, &info, current);
 	} else {
 		if (regs->pc & 1)