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Fix new warning with rust 1.21

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Mutable references being declared mutable themselves is unnecessary and
now generates a warning.

Change-Id: I29c7652fb86e17a8eda21efc728dd09b726c304f
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/717733
Reviewed-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
This commit is contained in:
Dylan Reid 2017-10-12 18:42:01 -07:00 committed by chrome-bot
parent d169a8d9ed
commit 70a8290514
3 changed files with 3 additions and 3 deletions
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2
net_util/src/lib.rs
View file

@ -92,7 +92,7 @@ impl Tap {
unsafe {
let ifrn_name = ifreq.ifr_ifrn.ifrn_name.as_mut();
let ifru_flags = ifreq.ifr_ifru.ifru_flags.as_mut();
let mut name_slice = &mut ifrn_name[..TUNTAP_DEV_FORMAT.len()];
let name_slice = &mut ifrn_name[..TUNTAP_DEV_FORMAT.len()];
name_slice.copy_from_slice(TUNTAP_DEV_FORMAT);
*ifru_flags = (net_sys::IFF_TAP | net_sys::IFF_NO_PI | net_sys::IFF_VNET_HDR) as
c_short;

2
sys_util/src/mmap.rs
View file

@ -251,7 +251,7 @@ impl MemoryMapping {
// It is safe to overwrite the volatile memory. Acessing the guest
// memory as a mutable slice is OK because nothing assumes another
// thread won't change what is loaded.
let mut dst = &mut self.as_mut_slice()[mem_offset..mem_end];
let dst = &mut self.as_mut_slice()[mem_offset..mem_end];
src.read_exact(dst).map_err(Error::ReadFromSource)?;
}
Ok(())

2
x86_64/src/regs.rs
View file

@ -104,7 +104,7 @@ pub fn setup_msrs(vcpu: &kvm::Vcpu) -> Result<()> {
let vec_size_bytes = mem::size_of::<kvm_msrs>() +
(entry_vec.len() * mem::size_of::<kvm_msr_entry>());
let vec: Vec<u8> = Vec::with_capacity(vec_size_bytes);
let mut msrs: &mut kvm_msrs = unsafe {
let msrs: &mut kvm_msrs = unsafe {
// Converting the vector's memory to a struct is unsafe. Carefully using the read-only
// vector to size and set the members ensures no out-of-bounds erros below.
&mut *(vec.as_ptr() as *mut kvm_msrs)