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| author | Wanlong Gao <gaowanlong@cn.fujitsu.com> | 2012-12-11 04:34:50 +0400 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-12-18 08:50:42 +0400 |
| commit | 9bffdca8c64a72ac54c47a552734ab457bc720d4 (patch) | |
| tree | c009f6f19b689ceac28122a2ea7109b4fccada95 /drivers/virtio/virtio.c | |
| parent | 40f9938c4c69183c5ceaca74b77aff636cc79623 (diff) | |
| download | linux-9bffdca8c64a72ac54c47a552734ab457bc720d4.tar.xz | |
virtio: use dev_to_virtio wrapper in virtio
Use dev_to_virtio wrapper in virtio to make code clearly.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio/virtio.c')
| -rw-r--r-- | drivers/virtio/virtio.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 1e8659ca27ef..1346ae8e14f3 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -10,33 +10,32 @@ static DEFINE_IDA(virtio_index_ida); static ssize_t device_show(struct device *_d, struct device_attribute *attr, char *buf) { - struct virtio_device *dev = container_of(_d,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_d); return sprintf(buf, "0x%04x\n", dev->id.device); } static ssize_t vendor_show(struct device *_d, struct device_attribute *attr, char *buf) { - struct virtio_device *dev = container_of(_d,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_d); return sprintf(buf, "0x%04x\n", dev->id.vendor); } static ssize_t status_show(struct device *_d, struct device_attribute *attr, char *buf) { - struct virtio_device *dev = container_of(_d,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_d); return sprintf(buf, "0x%08x\n", dev->config->get_status(dev)); } static ssize_t modalias_show(struct device *_d, struct device_attribute *attr, char *buf) { - struct virtio_device *dev = container_of(_d,struct virtio_device,dev); - + struct virtio_device *dev = dev_to_virtio(_d); return sprintf(buf, "virtio:d%08Xv%08X\n", dev->id.device, dev->id.vendor); } static ssize_t features_show(struct device *_d, struct device_attribute *attr, char *buf) { - struct virtio_device *dev = container_of(_d, struct virtio_device, dev); + struct virtio_device *dev = dev_to_virtio(_d); unsigned int i; ssize_t len = 0; @@ -71,7 +70,7 @@ static inline int virtio_id_match(const struct virtio_device *dev, static int virtio_dev_match(struct device *_dv, struct device_driver *_dr) { unsigned int i; - struct virtio_device *dev = container_of(_dv,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_dv); const struct virtio_device_id *ids; ids = container_of(_dr, struct virtio_driver, driver)->id_table; @@ -83,7 +82,7 @@ static int virtio_dev_match(struct device *_dv, struct device_driver *_dr) static int virtio_uevent(struct device *_dv, struct kobj_uevent_env *env) { - struct virtio_device *dev = container_of(_dv,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_dv); return add_uevent_var(env, "MODALIAS=virtio:d%08Xv%08X", dev->id.device, dev->id.vendor); @@ -111,7 +110,7 @@ EXPORT_SYMBOL_GPL(virtio_check_driver_offered_feature); static int virtio_dev_probe(struct device *_d) { int err, i; - struct virtio_device *dev = container_of(_d,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_d); struct virtio_driver *drv = container_of(dev->dev.driver, struct virtio_driver, driver); u32 device_features; @@ -152,7 +151,7 @@ static int virtio_dev_probe(struct device *_d) static int virtio_dev_remove(struct device *_d) { - struct virtio_device *dev = container_of(_d,struct virtio_device,dev); + struct virtio_device *dev = dev_to_virtio(_d); struct virtio_driver *drv = container_of(dev->dev.driver, struct virtio_driver, driver); |