x86, gcc-4.6: Fix set but not read variables

Just some dead code, no real bugs.

Found by gcc 4.6 -Wall

Signed-off-by: Andi Kleen <ak@linux.intel.com>
LKML-Reference: <201007202219.o6KMJnQ0021072@imap1.linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index fd31a441c61c..7d28d7d03885 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -433,13 +433,12 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
 {
         unsigned int mask_lo, mask_hi, base_lo, base_hi;
         unsigned int tmp, hi;
-        int cpu;
 
         /*
          * get_mtrr doesn't need to update mtrr_state, also it could be called
          * from any cpu, so try to print it out directly.
          */
-        cpu = get_cpu();
+        get_cpu();
 
         rdmsr(MTRRphysMask_MSR(reg), mask_lo, mask_hi);