linux-kernel - [PATCH RESEND v3 07/24] ptrace: cleanup arch

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Date:	Thu, 30 Sep 2010 18:27:42 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Roland McGrath <roland@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH RESEND v3 07/24] ptrace: cleanup arch_ptrace() and friends on Blackfin

Change signature of get/put_reg() according to the change of arch_ptrace()
and remove unnecessary castings.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
Acked-by: Mike Frysinger <vapier@...too.org>
---
 arch/blackfin/kernel/ptrace.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index fb81620..545fc14 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -37,12 +37,13 @@
  * Get contents of register REGNO in task TASK.
  */
 static inline long
-get_reg(struct task_struct *task, long regno, unsigned long __user *datap)
+get_reg(struct task_struct *task, unsigned long regno,
+	unsigned long __user *datap)
 {
 	long tmp;
 	struct pt_regs *regs = task_pt_regs(task);
 
-	if (regno & 3 || regno > PT_LAST_PSEUDO || regno < 0)
+	if (regno & 3 || regno > PT_LAST_PSEUDO)
 		return -EIO;
 
 	switch (regno) {
@@ -73,11 +74,11 @@ get_reg(struct task_struct *task, long regno, unsigned long __user *datap)
  * Write contents of register REGNO in task TASK.
  */
 static inline int
-put_reg(struct task_struct *task, long regno, unsigned long data)
+put_reg(struct task_struct *task, unsigned long regno, unsigned long data)
 {
 	struct pt_regs *regs = task_pt_regs(task);
 
-	if (regno & 3 || regno > PT_LAST_PSEUDO || regno < 0)
+	if (regno & 3 || regno > PT_LAST_PSEUDO)
 		return -EIO;
 
 	switch (regno) {
@@ -361,14 +362,14 @@ long arch_ptrace(struct task_struct *child, long request,
 		return copy_regset_to_user(child, &user_bfin_native_view,
 					   REGSET_GENERAL,
 					   0, sizeof(struct pt_regs),
-					   (void __user *)data);
+					   datap);
 
 	case PTRACE_SETREGS:
 		pr_debug("ptrace: PTRACE_SETREGS\n");
 		return copy_regset_from_user(child, &user_bfin_native_view,
 					     REGSET_GENERAL,
 					     0, sizeof(struct pt_regs),
-					     (const void __user *)data);
+					     datap);
 
 	case_default:
 	default:
-- 
1.7.2.2

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