Unverified Commit de1f08ef authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5869 KVM: arm64: vgic-its: use vgic_get_irq_kref() before vgic_put_irq() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Peng Zhang <zhangpeng362@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PSVVTQSJYKJWPKNKBWDQ73CVG2FQJPGY/ 
 
https://gitee.com/openeuler/kernel/issues/I9F8AD 
 
Link:https://gitee.com/openeuler/kernel/pulls/5869

 

Reviewed-by: default avatarKevin Zhu <zhukeqian1@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents 71761918 63959e33

arch/arm64/kvm/vgic/vgic-its.c

+3 −0
Original line number Diff line number Diff line
@@ -642,6 +642,9 @@ static struct vgic_irq *vgic_its_check_cache(struct kvm *kvm, phys_addr_t db, 


	raw_spin_lock_irqsave(&dist->lpi_translation_cache[cacheid].lpi_cache_lock, flags);

	irq = __vgic_its_check_cache(dist, db, devid, eventid, cacheid);

	if (irq)

		vgic_get_irq_kref(irq);



	raw_spin_unlock_irqrestore(&dist->lpi_translation_cache[cacheid].lpi_cache_lock, flags);

#else

	raw_spin_lock_irqsave(&dist->lpi_list_lock, flags);