This is a note to let you know that I've just added the patch titled
MIPS: KVM: Remove redundant NULL checks before kfree()
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips-kvm-remove-redundant-null-checks-before-kfree.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c6c0a6637f9da54f9472144d44f71cf847f92e20 Mon Sep 17 00:00:00 2001
From: James Hogan <james.hogan@xxxxxxxxxx>
Date: Thu, 29 May 2014 10:16:44 +0100
Subject: MIPS: KVM: Remove redundant NULL checks before kfree()
From: James Hogan <james.hogan@xxxxxxxxxx>
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 <james.hogan@xxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Gleb Natapov <gleb@xxxxxxxxxx>
Cc: kvm@xxxxxxxxxxxxxxx
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: Sanjay Lal <sanjayl@xxxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/kvm/kvm_mips.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
--- 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);
@@ -389,12 +387,8 @@ void kvm_arch_vcpu_free(struct kvm_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)
Patches currently in stable-queue which might be from james.hogan@xxxxxxxxxx are
queue-3.14/mips-msc-prevent-out-of-bounds-writes-to-mips-sc-ioremap-d-region.patch
queue-3.14/mips-kvm-fix-memory-leak-on-vcpu.patch
queue-3.14/mips-kvm-remove-redundant-null-checks-before-kfree.patch
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