[PATCH] fix signed vs unsigned in nmi watchdog

Fix "signed vs unsigned" in nmi_watchdog_tick.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 5ad6a2c92d2..d43b498ec74 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -529,7 +529,8 @@ void nmi_watchdog_tick (struct pt_regs * regs)
          * always switch the stack NMI-atomically, it's safe to use
          * smp_processor_id().
          */
-        int sum, cpu = smp_processor_id();
+        unsigned int sum;
+        int cpu = smp_processor_id();
 
         sum = per_cpu(irq_stat, cpu).apic_timer_irqs;