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virtio-queue: Fix clippy (needless_late_init) issue

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warning: unneeded late initalization
   --> virtio-queue/src/chain.rs:381:13
    |
381 |             let desc: Descriptor;
    |             ^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `#[warn(clippy::needless_late_init)]` on by default
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
help: declare `desc` here
    |
382 |             let desc: Descriptor = if i < 3 {
    |             ++++++++++++++++++++++
help: remove the assignments from the branches
    |
383 ~                 Descriptor::new(0x1000 * i as u64, 0x1000, VIRTQ_DESC_F_NEXT, i + 1)
384 |             } else {
385 ~                 Descriptor::new(0x1000 * i as u64, 0x1000, 0, 0)
    |
help: add a semicolon after the `if` expression
    |
386 |             };
    |              +

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2022-01-07 10:20:13 +00:00 committed by Bo Chen
parent f6333a39a5
commit 2563b08ff0
1 changed files with 4 additions and 5 deletions
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9
virtio-queue/src/chain.rs
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@ -378,12 +378,11 @@ mod tests {
// create an indirect table with 4 chained descriptors
let idtable = DescriptorTable::new(m, GuestAddress(0x7000), 4);
for i in 0..4u16 {
let desc: Descriptor;
if i < 3 {
desc = Descriptor::new(0x1000 * i as u64, 0x1000, VIRTQ_DESC_F_NEXT, i + 1);
let desc = if i < 3 {
Descriptor::new(0x1000 * i as u64, 0x1000, VIRTQ_DESC_F_NEXT, i + 1)
} else {
desc = Descriptor::new(0x1000 * i as u64, 0x1000, 0, 0);
}
Descriptor::new(0x1000 * i as u64, 0x1000, 0, 0)
};
idtable.store(i, desc);
}