From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [patch] KVM: PPC: Book3S HV: check for kmalloc errors in ioctl Date: Fri, 17 Mar 2017 23:41:14 +0300 Message-ID: <20170317204113.GA16505@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org, Radim =?utf-8?B?S3LEjW3DocWZ?= , kernel-janitors@vger.kernel.org, kvm-ppc@vger.kernel.org, Paul Mackerras , linuxppc-dev@lists.ozlabs.org, Alexander Graf To: Paolo Bonzini , David Gibson Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" List-Id: kvm.vger.kernel.org kzalloc() won't actually fail because sizeof(*resize) is small, but static checkers complain. Signed-off-by: Dan Carpenter diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 8c68145ba1bd..710e491206ed 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -1487,6 +1487,10 @@ long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, /* start new resize */ resize = kzalloc(sizeof(*resize), GFP_KERNEL); + if (!resize) { + ret = -ENOMEM; + goto out; + } resize->order = shift; resize->kvm = kvm; INIT_WORK(&resize->work, resize_hpt_prepare_work);