[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20220614085035.122521-1-dzm91@hust.edu.cn>
Date: Tue, 14 Jun 2022 16:50:34 +0800
From: Dongliang Mu <dzm91@...t.edu.cn>
To: Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <seanjc@...gle.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Joerg Roedel <joro@...tes.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
"H. Peter Anvin" <hpa@...or.com>
Cc: mudongliang <mudongliangabcd@...il.com>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] x86: kvm: remove NULL check before kfree
From: mudongliang <mudongliangabcd@...il.com>
kfree can handle NULL pointer as its argument.
According to coccinelle isnullfree check, remove NULL check
before kfree operation.
Signed-off-by: mudongliang <mudongliangabcd@...il.com>
---
arch/x86/kernel/kvm.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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);
--
2.35.1
Powered by blists - more mailing lists