genirq: Fix unnecessary automatic type conversion

kstat_irqs is unsigned int and the return type of kstat_irqs() is also
unsigned int so sum should be unsigned int as well even if the result
is correct due to automatic type conversion.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Link: http://lkml.kernel.org/r/1430642930-23929-1-git-send-email-hofrat@osadl.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 99793b9b6d23..8228f7382491 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -619,7 +619,7 @@ unsigned int kstat_irqs(unsigned int irq)
 {
         struct irq_desc *desc = irq_to_desc(irq);
         int cpu;
-        int sum = 0;
+        unsigned int sum = 0;
 
         if (!desc || !desc->kstat_irqs)
                 return 0;