Messages in this thread Patch in this message | | | From | Ivan Safonov <> | Subject | [PATCH] genirq: replace notify with old_notify in irq_set_affinity_notifier() | Date | Sat, 28 Sep 2019 18:19:20 +0300 |
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This patch is for Linux 4.19 with a RT patch.
The second 'if' block does not check notify for NULL, this leads to a system crash.
Most likely, there is a typo here.
With old_notify system works as expected.
Signed-off-by: Ivan Safonov <insafonov@gmail.com> --- kernel/irq/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 290cd520dba1..79a7072dfb3c 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -412,7 +412,7 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify) if (old_notify) { #ifdef CONFIG_PREEMPT_RT_BASE - kthread_cancel_work_sync(¬ify->work); + kthread_cancel_work_sync(&old_notify->work); #else cancel_work_sync(&old_notify->work); #endif -- 2.21.0
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