[v2] x86: kvm: remove NULL check before kfree

Commit Message

Dongliang Mu June 14, 2022, 1:34 p.m. UTC

From: mudongliang <[e-mail]>

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

Signed-off-by: Dongliang Mu <[e-mail]>
---
v1->v2: modify my signature name
 arch/x86/kernel/kvm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Paolo Bonzini June 15, 2022, 12:24 p.m. UTC | #1

Queued, thanks.

Paolo

Patch

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 1a3658f7e6d9..d4e48b4a438b 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -236,8 +236,7 @@  void kvm_async_pf_task_wake(u32 token)
 	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);