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 3.10-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-3.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From c6c0a6637f9da54f9472144d44f71cf847f92e20 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()

From: James Hogan <[email protected]>

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: Greg Kroah-Hartman <[email protected]>

---
 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);
@@ -384,12 +382,8 @@ 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 [email protected] are

queue-3.10/mips-msc-prevent-out-of-bounds-writes-to-mips-sc-ioremap-d-region.patch
queue-3.10/mips-kvm-fix-memory-leak-on-vcpu.patch
queue-3.10/mips-kvm-remove-redundant-null-checks-before-kfree.patch
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