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vhost: declare backend with int type

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It's an fd; so define it as "int", which could also save the unncessary
(int) case.

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Tested-by: Rich Lane <rich.lane@bigswitch.com>
Acked-by: Rich Lane <rich.lane@bigswitch.com>
This commit is contained in:
Yuanhan Liu 2016-04-29 11:48:08 +08:00
parent 97daf19e99
commit 092f1c2c77
2 changed files with 3 additions and 3 deletions
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2
lib/librte_vhost/rte_virtio_net.h
View File

@ -85,7 +85,7 @@ struct vhost_virtqueue {
struct vring_avail *avail; /**< Virtqueue available ring. */
struct vring_used *used; /**< Virtqueue used ring. */
uint32_t size; /**< Size of descriptor ring. */
uint32_t backend; /**< Backend value to determine if device should started/stopped. */
int backend; /**< Backend value to determine if device should started/stopped. */
uint16_t vhost_hlen; /**< Vhost header length (varies depending on RX merge buffers. */
volatile uint16_t last_used_idx; /**< Last index used on the available ring */
volatile uint16_t last_used_idx_res; /**< Used for multiple devices reserving buffers. */

4
lib/librte_vhost/virtio-net.c
View File

@ -717,8 +717,8 @@ vhost_set_backend(struct vhost_device_ctx ctx, struct vhost_vring_file *file)
* we add the device.
*/
if (!(dev->flags & VIRTIO_DEV_RUNNING)) {
if (((int)dev->virtqueue[VIRTIO_TXQ]->backend != VIRTIO_DEV_STOPPED) &&
((int)dev->virtqueue[VIRTIO_RXQ]->backend != VIRTIO_DEV_STOPPED)) {
if (dev->virtqueue[VIRTIO_TXQ]->backend != VIRTIO_DEV_STOPPED &&
dev->virtqueue[VIRTIO_RXQ]->backend != VIRTIO_DEV_STOPPED) {
return notify_ops->new_device(dev);
}
/* Otherwise we remove it. */