linux-kernel - [PATCH 6/8] x86: Kill set but not used warnings in pf

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Date:	Fri, 20 May 2011 16:13:03 -0300
From:	"Gustavo F. Padovan" <padovan@...fusion.mobi>
To:	linux-kernel@...r.kernel.org
Cc:	Thomas Gleixner <tglx@...utronix.de> (maintainer:X86
	ARCHITECTURE...),
	Ingo Molnar <mingo@...hat.com> (maintainer:X86 ARCHITECTURE... 
	,commit_signer:1/3=33%),
	"H. Peter Anvin" <hpa@...or.com> (maintainer:X86 ARCHITECTURE...),
	x86@...nel.org (maintainer:X86 ARCHITECTURE...),
	Pekka Paalanen <pq@....fi> (commit_signer:2/3=67%),
	"Gustavo F. Padovan" <padovan@...fusion.mobi> (commit_signer:1/3=33%),
	Frederic Weisbecker <fweisbec@...il.com> (commit_signer:1/3=33%),
	Marcin Slusarz <marcin.slusarz@...il.com> (commit_signer:1/3=33%)
Subject: [PATCH 6/8] x86: Kill set but not used warnings in pf_in.c

Signed-off-by: Gustavo F. Padovan <padovan@...fusion.mobi>
---
 arch/x86/mm/pf_in.c |   14 +++-----------
 1 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
index 38e6d17..9f0614d 100644
--- a/arch/x86/mm/pf_in.c
+++ b/arch/x86/mm/pf_in.c
@@ -414,22 +414,17 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
 	unsigned char *p;
 	struct prefix_bits prf;
 	int i;
-	unsigned long rv;
 
 	p = (unsigned char *)ins_addr;
 	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 	for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
-		if (reg_rop[i] == opcode) {
-			rv = REG_READ;
+		if (reg_rop[i] == opcode)
 			goto do_work;
-		}
 
 	for (i = 0; i < ARRAY_SIZE(reg_wop); i++)
-		if (reg_wop[i] == opcode) {
-			rv = REG_WRITE;
+		if (reg_wop[i] == opcode)
 			goto do_work;
-		}
 
 	printk(KERN_ERR "mmiotrace: Not a register instruction, opcode "
 							"0x%02x\n", opcode);
@@ -474,16 +469,13 @@ unsigned long get_ins_imm_val(unsigned long ins_addr)
 	unsigned char *p;
 	struct prefix_bits prf;
 	int i;
-	unsigned long rv;
 
 	p = (unsigned char *)ins_addr;
 	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 	for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
-		if (imm_wop[i] == opcode) {
-			rv = IMM_WRITE;
+		if (imm_wop[i] == opcode)
 			goto do_work;
-		}
 
 	printk(KERN_ERR "mmiotrace: Not an immediate instruction, opcode "
 							"0x%02x\n", opcode);
-- 
1.7.5.1

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