diff options
| author | Michal Luczaj <mhal@rbox.co> | 2023-03-27 20:54:57 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-06-01 23:48:54 +0300 |
| commit | 70b0bc4c0a05cb68ffeeaba8c8340896b5ff6fd7 (patch) | |
| tree | d74308c62abb8ebd350bdf2aca9236236ac614ef /virt | |
| parent | c9d601548603c54919a3b1333c5b972252b4031d (diff) | |
| download | linux-70b0bc4c0a05cb68ffeeaba8c8340896b5ff6fd7.tar.xz | |
KVM: Don't kfree(NULL) on kzalloc() failure in kvm_assign_ioeventfd_idx()
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>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/eventfd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index b0af834ffa95..7c42441425cf 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -889,9 +889,9 @@ static int kvm_assign_ioeventfd_idx(struct kvm *kvm, unlock_fail: mutex_unlock(&kvm->slots_lock); + kfree(p); fail: - kfree(p); eventfd_ctx_put(eventfd); return ret; |