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KVM: PPC: Book3S HV: Use common error handling code in kvmppc_clr_passthru_irq() 

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Markus Elfring 2017-01-20 11:00:08 +01:00 committed by Paul Mackerras
parent 9b5ab00513
commit a1c52e1c7c
1 changed files with 3 additions and 5 deletions
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8
arch/powerpc/kvm/book3s_hv.c
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@ -3624,11 +3624,9 @@ static int kvmppc_clr_passthru_irq(struct kvm *kvm, int host_irq, int guest_gsi)
return -EIO;
mutex_lock(&kvm->lock);
if (!kvm->arch.pimap)
goto unlock;
if (kvm->arch.pimap == NULL) {
mutex_unlock(&kvm->lock);
return 0;
}
pimap = kvm->arch.pimap;
for (i = 0; i < pimap->n_mapped; i++) {
@ -3650,7 +3648,7 @@ static int kvmppc_clr_passthru_irq(struct kvm *kvm, int host_irq, int guest_gsi)
* We don't free this structure even when the count goes to
* zero. The structure is freed when we destroy the VM.
*/
unlock:
mutex_unlock(&kvm->lock);
return 0;
}