linux-kernel - [PATCH] [8/23] KGDB: Remove set but unused newPC

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Message-Id: <20100610111044.0E350B1A2B@basil.firstfloor.org>
Date:	Thu, 10 Jun 2010 13:10:44 +0200 (CEST)
From:	Andi Kleen <andi@...stfloor.org>
To:	jason.wessel@...driver.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [8/23] KGDB: Remove set but unused newPC


I'm not fully sure this is the correct fix, maybe this
was a bug and newPC should really have a side effect.
Jason?

Found by gcc 4.6's new warnings

Cc: jason.wessel@...driver.com

Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 arch/x86/kernel/kgdb.c |    3 ---
 1 file changed, 3 deletions(-)

Index: linux-2.6.35-rc2-gcc/arch/x86/kernel/kgdb.c
===================================================================
--- linux-2.6.35-rc2-gcc.orig/arch/x86/kernel/kgdb.c
+++ linux-2.6.35-rc2-gcc/arch/x86/kernel/kgdb.c
@@ -458,7 +458,6 @@ int kgdb_arch_handle_exception(int e_vec
 {
 	unsigned long addr;
 	char *ptr;
-	int newPC;
 
 	switch (remcomInBuffer[0]) {
 	case 'c':
@@ -469,8 +468,6 @@ int kgdb_arch_handle_exception(int e_vec
 			linux_regs->ip = addr;
 	case 'D':
 	case 'k':
-		newPC = linux_regs->ip;
-
 		/* clear the trace bit */
 		linux_regs->flags &= ~X86_EFLAGS_TF;
 		atomic_set(&kgdb_cpu_doing_single_step, -1);
--
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