From: Namhyung Kim <namhyung@gmail.com>
Date: Wed, 27 Oct 2010 22:34:04 +0000 (-0700)
Subject: ptrace: cleanup arch_ptrace() on tile
X-Git-Tag: upstream/snapshot3+hdmi~12627^2~66
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c0acac3676103113a2e259291a07c073ac07879;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

ptrace: cleanup arch_ptrace() on tile

Remove checking @addr less than 0 because @addr is now unsigned.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c
index f634729..9cd2988 100644
--- a/arch/tile/kernel/ptrace.c
+++ b/arch/tile/kernel/ptrace.c
@@ -58,7 +58,7 @@ long arch_ptrace(struct task_struct *child, long request,
 	switch (request) {
 
 	case PTRACE_PEEKUSR:  /* Read register from pt_regs. */
-		if (addr < 0 || addr >= PTREGS_SIZE)
+		if (addr >= PTREGS_SIZE)
 			break;
 		childreg = (char *)task_pt_regs(child) + addr;
 #ifdef CONFIG_COMPAT
@@ -77,7 +77,7 @@ long arch_ptrace(struct task_struct *child, long request,
 		break;
 
 	case PTRACE_POKEUSR:  /* Write register in pt_regs. */
-		if (addr < 0 || addr >= PTREGS_SIZE)
+		if (addr >= PTREGS_SIZE)
 			break;
 		childreg = (char *)task_pt_regs(child) + addr;
 #ifdef CONFIG_COMPAT