This is a note to let you know that I have just added a patch titled
MIPS: KVM: Remove redundant NULL checks before kfree()
to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From 58d267632e7edae4b73fe577261713f68a0038d8 Mon Sep 17 00:00:00 2001
From: James Hogan <[email protected]>
Date: Thu, 29 May 2014 10:16:44 +0100
Subject: MIPS: KVM: Remove redundant NULL checks before kfree()
commit c6c0a6637f9da54f9472144d44f71cf847f92e20 upstream.
The kfree() function already NULL checks the parameter so remove the
redundant NULL checks before kfree() calls in arch/mips/kvm/.
Signed-off-by: James Hogan <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Gleb Natapov <[email protected]>
Cc: [email protected]
Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
Cc: Sanjay Lal <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
arch/mips/kvm/kvm_mips.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/arch/mips/kvm/kvm_mips.c b/arch/mips/kvm/kvm_mips.c
index 426345ac6f6e..7e78af0e57de 100644
--- a/arch/mips/kvm/kvm_mips.c
+++ b/arch/mips/kvm/kvm_mips.c
@@ -149,9 +149,7 @@ void kvm_mips_free_vcpus(struct kvm *kvm)
if (kvm->arch.guest_pmap[i] != KVM_INVALID_PAGE)
kvm_mips_release_pfn_clean(kvm->arch.guest_pmap[i]);
}
-
- if (kvm->arch.guest_pmap)
- kfree(kvm->arch.guest_pmap);
+ kfree(kvm->arch.guest_pmap);
kvm_for_each_vcpu(i, vcpu, kvm) {
kvm_arch_vcpu_free(vcpu);
@@ -384,12 +382,8 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
kvm_mips_dump_stats(vcpu);
- if (vcpu->arch.guest_ebase)
- kfree(vcpu->arch.guest_ebase);
-
- if (vcpu->arch.kseg0_commpage)
- kfree(vcpu->arch.kseg0_commpage);
-
+ kfree(vcpu->arch.guest_ebase);
+ kfree(vcpu->arch.kseg0_commpage);
}
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
--
1.9.1
--
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