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powerpc/32: Mark both tmp variables as unused

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Since the value of `tmp` is never intended to be read, declare both `tmp`
variables as unused. Fix warning (treated as error in W=1):

  arch/powerpc/kernel/signal_32.c: In function ‘sys_swapcontext’:
  arch/powerpc/kernel/signal_32.c:1048:16: error: variable ‘tmp’ set but not used
  arch/powerpc/kernel/signal_32.c: In function ‘sys_debug_setcontext’:
  arch/powerpc/kernel/signal_32.c🔢16: error: variable ‘tmp’ set but not used

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Mathieu Malaterre 2018-02-25 18:22:19 +01:00 • committed by Michael Ellerman
parent 174b701d3d
commit 67b464a89c
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kernel/signal_32.c
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@ -1045,7 +1045,7 @@ long sys_swapcontext(struct ucontext __user *old_ctx,
struct ucontext __user *new_ctx, struct ucontext __user *new_ctx,
int ctx_size, int r6, int r7, int r8, struct pt_regs *regs) int ctx_size, int r6, int r7, int r8, struct pt_regs *regs)
{ {
unsigned char tmp; unsigned char tmp __maybe_unused;
int ctx_has_vsx_region = 0; int ctx_has_vsx_region = 0;
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
@ -1231,7 +1231,7 @@ int sys_debug_setcontext(struct ucontext __user *ctx,
{ {
struct sig_dbg_op op; struct sig_dbg_op op;
int i; int i;
unsigned char tmp; unsigned char tmp __maybe_unused;
unsigned long new_msr = regs->msr; unsigned long new_msr = regs->msr;
#ifdef CONFIG_PPC_ADV_DEBUG_REGS #ifdef CONFIG_PPC_ADV_DEBUG_REGS
unsigned long new_dbcr0 = current->thread.debug.dbcr0; unsigned long new_dbcr0 = current->thread.debug.dbcr0;