KVM: arm: Use PTR_ERR_OR_ZERO()

Web:        https://git.kernel.org/torvalds/c/4404b336cf32bf709942067fe71d8b5cf70fb2b2
Commit:     4404b336cf32bf709942067fe71d8b5cf70fb2b2
Parent:     0c0543a128bd1c6a4c8610d0d9d869053fa2fbf5
Refname:    refs/heads/master
Author:     Vasyl Gomonovych <[email protected]>
AuthorDate: Tue Nov 28 23:48:17 2017 +0100
Committer:  Christoffer Dall <[email protected]>
CommitDate: Tue Jan 2 10:05:45 2018 +0100

    KVM: arm: Use PTR_ERR_OR_ZERO()
    
    Fix ptr_ret.cocci warnings:
    virt/kvm/arm/vgic/vgic-its.c:971:1-3: WARNING: PTR_ERR_OR_ZERO can be used
    
    Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
    
    Generated by: scripts/coccinelle/api/ptr_ret.cocci
    
    Signed-off-by: Vasyl Gomonovych <[email protected]>
    Signed-off-by: Christoffer Dall <[email protected]>
---
 virt/kvm/arm/vgic/vgic-its.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index 8e633bd9cc1e..465095355666 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -1034,10 +1034,8 @@ static int vgic_its_cmd_handle_mapd(struct kvm *kvm, struct vgic_its *its,
 
 	device = vgic_its_alloc_device(its, device_id, itt_addr,
 				       num_eventid_bits);
-	if (IS_ERR(device))
-		return PTR_ERR(device);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(device);
 }
 
 /*
--
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