From: Christian Borntraeger Date: Thu, 4 Sep 2014 19:13:33 +0000 (+0200) Subject: KVM: remove redundant assignments in __kvm_set_memory_region X-Git-Tag: firefly_0821_release~3680^2~36^2~16^2^2~31 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e665e3aae1e8c2e47e467c13c10e5b92c4be61a5;p=firefly-linux-kernel-4.4.55.git KVM: remove redundant assignments in __kvm_set_memory_region __kvm_set_memory_region sets r to EINVAL very early. Doing it again is not necessary. The same is true later on, where r is assigned -ENOMEM twice. Signed-off-by: Christian Borntraeger Signed-off-by: Paolo Bonzini (cherry picked from commit f2a25160887e00434ce1361007009120e1fecbda) Signed-off-by: Christoffer Dall --- diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d201466921bf..3ed27192a849 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -778,7 +778,6 @@ int __kvm_set_memory_region(struct kvm *kvm, base_gfn = mem->guest_phys_addr >> PAGE_SHIFT; npages = mem->memory_size >> PAGE_SHIFT; - r = -EINVAL; if (npages > KVM_MEM_MAX_NR_PAGES) goto out; @@ -792,7 +791,6 @@ int __kvm_set_memory_region(struct kvm *kvm, new.npages = npages; new.flags = mem->flags; - r = -EINVAL; if (npages) { if (!old.npages) change = KVM_MR_CREATE; @@ -848,7 +846,6 @@ int __kvm_set_memory_region(struct kvm *kvm, } if ((change == KVM_MR_DELETE) || (change == KVM_MR_MOVE)) { - r = -ENOMEM; slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots), GFP_KERNEL); if (!slots)