lkml.org 
[lkml]   [2017]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[GIT pull] irq fix for 4.14
Linus,

please pull the latest irq-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus

Fix for an off by one error in a cpumask result comparison.

Thanks,

tglx

------------------>
Thomas Gleixner (1):
genirq: Fix cpumask check in __irq_startup_managed()


kernel/irq/chip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index f51b7b6d2451..6fc89fd93824 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -202,7 +202,7 @@ __irq_startup_managed(struct irq_desc *desc, struct cpumask *aff, bool force)

irqd_clr_managed_shutdown(d);

- if (cpumask_any_and(aff, cpu_online_mask) > nr_cpu_ids) {
+ if (cpumask_any_and(aff, cpu_online_mask) >= nr_cpu_ids) {
/*
* Catch code which fiddles with enable_irq() on a managed
* and potentially shutdown IRQ. Chained interrupt
\
 
 \ /
  Last update: 2017-09-17 11:32    [W:0.028 / U:1.772 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site