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x86: kvm: remove NULL check before kfree 

kfree can handle NULL pointer as its argument.
According to coccinelle isnullfree check, remove NULL check
before kfree operation.

Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Message-Id: <20220614133458.147314-1-dzm91@hust.edu.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Dongliang Mu 2022-06-14 21:34:58 +08:00 committed by Paolo Bonzini
parent 943dfea8f1
commit e20918f6d1
1 changed files with 1 additions and 2 deletions
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3
arch/x86/kernel/kvm.c
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@ -236,8 +236,7 @@ again:
raw_spin_unlock(&b->lock);
/* A dummy token might be allocated and ultimately not used. */
if (dummy)
kfree(dummy);
kfree(dummy);
}
EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake);