queue-4.14/mips-uprobes-remove-set-but-not-used-variable-epc.patch

   1 From 8318d0d972bf8f4030100fcef3a6b02e960a590d Mon Sep 17 00:00:00 2001
   2 From: YueHaibing <yuehaibing@huawei.com>
   3 Date: Sat, 25 May 2019 20:20:24 +0800
   4 Subject: MIPS: uprobes: remove set but not used variable 'epc'
   5
   6 [ Upstream commit f532beeeff0c0a3586cc15538bc52d249eb19e7c ]
   7
   8 Fixes gcc '-Wunused-but-set-variable' warning:
   9
  10 arch/mips/kernel/uprobes.c: In function 'arch_uprobe_pre_xol':
  11 arch/mips/kernel/uprobes.c:115:17: warning: variable 'epc' set but not used [-Wunused-but-set-variable]
  12
  13 It's never used since introduction in
  14 commit 40e084a506eb ("MIPS: Add uprobes support.")
  15
  16 Signed-off-by: YueHaibing <yuehaibing@huawei.com>
  17 Signed-off-by: Paul Burton <paul.burton@mips.com>
  18 Cc: <ralf@linux-mips.org>
  19 Cc: <jhogan@kernel.org>
  20 Cc: <linux-kernel@vger.kernel.org>
  21 Cc: <linux-mips@vger.kernel.org>
  22 Signed-off-by: Sasha Levin <sashal@kernel.org>
  23 ---
  24  arch/mips/kernel/uprobes.c | 3 ---
  25  1 file changed, 3 deletions(-)
  26
  27 diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
  28 index f7a0645ccb82..6305e91ffc44 100644
  29 --- a/arch/mips/kernel/uprobes.c
  30 +++ b/arch/mips/kernel/uprobes.c
  31 @@ -112,9 +112,6 @@ int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs)
  32          */
  33         aup->resume_epc = regs->cp0_epc + 4;
  34         if (insn_has_delay_slot((union mips_instruction) aup->insn[0])) {
  35 -               unsigned long epc;
  36 -
  37 -               epc = regs->cp0_epc;
  38                 __compute_return_epc_for_insn(regs,
  39                         (union mips_instruction) aup->insn[0]);
  40                 aup->resume_epc = regs->cp0_epc;
  41 --
  42 2.20.1
  43