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path: root/drivers/virtio/virtio_mmio.c
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Diffstat (limited to 'drivers/virtio/virtio_mmio.c')
-rw-r--r--drivers/virtio/virtio_mmio.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 97760f611295..59892a31cf76 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -631,14 +631,17 @@ static int virtio_mmio_probe(struct platform_device *pdev)
spin_lock_init(&vm_dev->lock);
vm_dev->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(vm_dev->base))
- return PTR_ERR(vm_dev->base);
+ if (IS_ERR(vm_dev->base)) {
+ rc = PTR_ERR(vm_dev->base);
+ goto free_vm_dev;
+ }
/* Check magic value */
magic = readl(vm_dev->base + VIRTIO_MMIO_MAGIC_VALUE);
if (magic != ('v' | 'i' << 8 | 'r' << 16 | 't' << 24)) {
dev_warn(&pdev->dev, "Wrong magic value 0x%08lx!\n", magic);
- return -ENODEV;
+ rc = -ENODEV;
+ goto free_vm_dev;
}
/* Check device version */
@@ -646,7 +649,8 @@ static int virtio_mmio_probe(struct platform_device *pdev)
if (vm_dev->version < 1 || vm_dev->version > 2) {
dev_err(&pdev->dev, "Version %ld not supported!\n",
vm_dev->version);
- return -ENXIO;
+ rc = -ENXIO;
+ goto free_vm_dev;
}
vm_dev->vdev.id.device = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_ID);
@@ -655,7 +659,8 @@ static int virtio_mmio_probe(struct platform_device *pdev)
* virtio-mmio device with an ID 0 is a (dummy) placeholder
* with no function. End probing now with no error reported.
*/
- return -ENODEV;
+ rc = -ENODEV;
+ goto free_vm_dev;
}
vm_dev->vdev.id.vendor = readl(vm_dev->base + VIRTIO_MMIO_VENDOR_ID);
@@ -685,6 +690,10 @@ static int virtio_mmio_probe(struct platform_device *pdev)
put_device(&vm_dev->vdev.dev);
return rc;
+
+free_vm_dev:
+ kfree(vm_dev);
+ return rc;
}
static int virtio_mmio_remove(struct platform_device *pdev)