Avoid duplicated calls to irq_to_desc() by storing the result in a local variable. No functional change.
Signed-off-by: Roger Pau Monné <[email protected]> --- xen/arch/x86/smpboot.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c index 8d3161248de0..7fab5552335b 100644 --- a/xen/arch/x86/smpboot.c +++ b/xen/arch/x86/smpboot.c @@ -1455,12 +1455,16 @@ void __init smp_intr_init(void) */ for ( seridx = 0; seridx <= SERHND_IDX; seridx++ ) { + struct irq_desc *desc; + if ( (irq = serial_irq(seridx)) < 0 ) continue; vector = alloc_hipriority_vector(); per_cpu(vector_irq, cpu)[vector] = irq; - irq_to_desc(irq)->arch.vector = vector; - cpumask_copy(irq_to_desc(irq)->arch.cpu_mask, &cpu_online_map); + + desc = irq_to_desc(irq); + desc->arch.vector = vector; + cpumask_copy(desc->arch.cpu_mask, &cpu_online_map); } /* Direct IPI vectors. */ -- 2.51.0
