linux-kernel - [RFC PATCH 28/43] ptrace, mn10300: change signature of arch

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Date:	Fri, 27 Aug 2010 18:42:14 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Roland McGrath <roland@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>, Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org, David Howells <dhowells@...hat.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>
Subject: [RFC PATCH 28/43] ptrace, mn10300: change signature of arch_ptrace()

change type of @addr and @data into unsigned long according to commit
f76671df26ef06321480e702770f88f61272be29 [PATCH 03/43]

Signed-off-by: Namhyung Kim <namhyung@...il.com>
Cc: David Howells <dhowells@...hat.com>
Cc: Koichi Yasutake <yasutake.koichi@...panasonic.com>
---
 arch/mn10300/kernel/ptrace.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/mn10300/kernel/ptrace.c b/arch/mn10300/kernel/ptrace.c
index cf847da..4261810 100644
--- a/arch/mn10300/kernel/ptrace.c
+++ b/arch/mn10300/kernel/ptrace.c
@@ -295,7 +295,8 @@ void ptrace_disable(struct task_struct *child)
 /*
  * handle the arch-specific side of process tracing
  */
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request,
+		 unsigned long addr, unsigned long data)
 {
 	unsigned long tmp;
 	int ret;
@@ -304,8 +305,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	/* read the word at location addr in the USER area. */
 	case PTRACE_PEEKUSR:
 		ret = -EIO;
-		if ((addr & 3) || addr < 0 ||
-		    addr > sizeof(struct user) - 3)
+		if ((addr & 3) || addr > sizeof(struct user) - 3)
 			break;
 
 		tmp = 0;  /* Default return condition */
@@ -318,8 +318,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		/* write the word at location addr in the USER area */
 	case PTRACE_POKEUSR:
 		ret = -EIO;
-		if ((addr & 3) || addr < 0 ||
-		    addr > sizeof(struct user) - 3)
+		if ((addr & 3) || addr > sizeof(struct user) - 3)
 			break;
 
 		ret = 0;
-- 
1.7.2.2

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