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xen/events: remove unlikely() from WARN() condition

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"unlikely(WARN(x))" is excessive. WARN() already uses unlikely()
internally.

Link: http://lkml.kernel.org/r/20190829165025.15750-4-efremov@linux.com
Signed-off-by: Denis Efremov <efremov@linux.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Joe Perches <joe@perches.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis Efremov 2019-09-25 16:49:28 -07:00 committed by Linus Torvalds
parent de3f186f87
commit 89f4035413
1 changed files with 1 additions and 1 deletions
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2
drivers/xen/events/events_base.c
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@ -247,7 +247,7 @@ static void xen_irq_info_cleanup(struct irq_info *info)
*/ */
unsigned int evtchn_from_irq(unsigned irq) unsigned int evtchn_from_irq(unsigned irq)
{ {
if (unlikely(WARN(irq >= nr_irqs, "Invalid irq %d!\n", irq))) if (WARN(irq >= nr_irqs, "Invalid irq %d!\n", irq))
return 0; return 0;
return info_for_irq(irq)->evtchn; return info_for_irq(irq)->evtchn;