[patch] KVM: PPC: Book3S HV: check for kmalloc errors in ioctl

kzalloc() won't actually fail because sizeof(*resize) is small, but
static checkers complain.

Signed-off-by: Dan Carpenter <redacted>

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);

On Fri, Mar 17, 2017 at 11:41:14PM +0300, Dan Carpenter wrote:

kzalloc() won't actually fail because sizeof(*resize) is small, but
static checkers complain.

Signed-off-by: Dan Carpenter <redacted>

Oops, that's an embarrassing mistake.

Acked-by: David Gibson <redacted>

-- 
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