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KVM: Don't kfree(NULL) on kzalloc() failure in kvm_assign_ioeventfd_idx()

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On kzalloc() failure, taking the `goto fail` path leads to kfree(NULL).
Such no-op has no use. Move it out.

Signed-off-by: Michal Luczaj <mhal@rbox.co>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20230327175457.735903-1-mhal@rbox.co
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Michal Luczaj
2023-03-27 19:54:57 +02:00
committed by Sean Christopherson
parent c9d6015486
commit 70b0bc4c0a
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/eventfd.c
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@@ -889,9 +889,9 @@ static int kvm_assign_ioeventfd_idx(struct kvm *kvm,
unlock_fail: unlock_fail:
mutex_unlock(&kvm->slots_lock); mutex_unlock(&kvm->slots_lock);
kfree(p);
fail: fail:
kfree(p);
eventfd_ctx_put(eventfd); eventfd_ctx_put(eventfd);
return ret; return ret;