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KVM: s390: Fix assumption that kvm_set_irq_routing is always run successfully

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This fixes the assumption that kvm_set_irq_routing is always run
successfully by instead making it equal to the variable r which
we use for returning in the function kvm_arch_vm_ioctl instead
of making r equal to zero when calling this particular function
and incorrectly making the caller of kvm_arch_vm_ioctl think
the function has run successfully.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Message-Id: <1438880754-27149-1-git-send-email-xerofoify@gmail.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Nicholas Krause 2015-08-06 13:05:54 -04:00 committed by Christian Borntraeger
parent fdf036507f
commit 152b28392a
1 changed files with 1 additions and 2 deletions
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3
arch/s390/kvm/kvm-s390.c
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@ -962,8 +962,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
if (kvm->arch.use_irqchip) {
/* Set up dummy routing. */
memset(&routing, 0, sizeof(routing));
kvm_set_irq_routing(kvm, &routing, 0, 0);
r = 0;
r = kvm_set_irq_routing(kvm, &routing, 0, 0);
}
break;
}