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virtio-devices: Address Rust 1.51.0 clippy issue (vec_init_then_push)

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warning: calls to `push` immediately after creation
   --> virtio-devices/src/vhost_user/net.rs:291:13
    |
291 | /             let mut interrupt_list_sub: Vec<(Option<EventFd>, Queue)> = Vec::with_capacity(2);
292 | |             interrupt_list_sub.push(vu_interrupt_list.remove(0));
293 | |             interrupt_list_sub.push(vu_interrupt_list.remove(0));
    | |_________________________________________________________________^ help: consider using the `vec![]` macro: `let mut interrupt_list_sub: Vec<(Option<EventFd>, Queue)> = vec![..];`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#vec_init_then_push

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-03-25 17:01:21 +00:00
parent 3b8d1f1411
commit 2571cc8041
4 changed files with 5 additions and 12 deletions
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8
virtio-devices/src/net.rs
View File

@ -449,15 +449,11 @@ impl VirtioDevice for Net {
let tx = TxVirtio::new();
let rx_tap_listening = false;
let mut queue_pair = Vec::new();
queue_pair.push(queues.remove(0));
queue_pair.push(queues.remove(0));
let mut queue_pair = vec![queues.remove(0), queues.remove(0)];
queue_pair[0].set_event_idx(event_idx);
queue_pair[1].set_event_idx(event_idx);
let mut queue_evt_pair = Vec::new();
queue_evt_pair.push(queue_evts.remove(0));
queue_evt_pair.push(queue_evts.remove(0));
let queue_evt_pair = vec![queue_evts.remove(0), queue_evts.remove(0)];
let kill_evt = self
.common

2
virtio-devices/src/transport/pci_device.rs
View File

@ -631,7 +631,7 @@ impl VirtioPciDevice {
if offset < std::mem::size_of::<VirtioPciCap>() {
let (_, right) = cap_slice.split_at_mut(offset);
right[..data_len].copy_from_slice(&data[..]);
right[..data_len].copy_from_slice(&data);
None
} else {
// Safe since we know self.cap_pci_cfg_info.cap.cap.offset is 32bits long.

3
virtio-devices/src/vhost_user/blk.rs
View File

@ -231,8 +231,7 @@ impl VirtioDevice for Blk {
let mut epoll_threads = Vec::new();
for i in 0..vu_interrupt_list.len() {
let mut interrupt_list_sub: Vec<(Option<EventFd>, Queue)> = Vec::with_capacity(1);
interrupt_list_sub.push(vu_interrupt_list.remove(0));
let interrupt_list_sub = vec![vu_interrupt_list.remove(0)];
let kill_evt = self
.common

4
virtio-devices/src/vhost_user/net.rs
View File

@ -288,9 +288,7 @@ impl VirtioDevice for Net {
let mut epoll_threads = Vec::new();
for i in 0..vu_interrupt_list.len() / 2 {
let mut interrupt_list_sub: Vec<(Option<EventFd>, Queue)> = Vec::with_capacity(2);
interrupt_list_sub.push(vu_interrupt_list.remove(0));
interrupt_list_sub.push(vu_interrupt_list.remove(0));
let interrupt_list_sub = vec![vu_interrupt_list.remove(0), vu_interrupt_list.remove(0)];
let kill_evt = self
.common