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virtio-mmio: Use PTR_ERR_OR_ZERO()

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Fix ptr_ret.cocci warnings:
drivers/virtio/virtio_mmio.c:653:1-3: 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 <gomonovych@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Vasyl Gomonovych 2017-11-28 16:15:47 +01:00 committed by Michael S. Tsirkin
parent 473f0b15a4
commit c2c9f9bc5b
1 changed files with 1 additions and 3 deletions
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4
drivers/virtio/virtio_mmio.c
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@ -662,10 +662,8 @@ static int vm_cmdline_set(const char *device,
pdev = platform_device_register_resndata(&vm_cmdline_parent,
"virtio-mmio", vm_cmdline_id++,
resources, ARRAY_SIZE(resources), NULL, 0);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
return 0;
return PTR_ERR_OR_ZERO(pdev);
}
static int vm_cmdline_get_device(struct device *dev, void *data)