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vmm: device_manager: Remove unnecessary mut from reference

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warning: this argument is a mutable reference, but not used mutably
    --> vmm/src/device_manager.rs:1908:35
     |
1908 |     fn set_raw_mode(&mut self, f: &mut dyn AsRawFd) -> vmm_sys_util::errno::Result<()> {
     |                                   ^^^^^^^^^^^^^^^^ help: consider changing to: `&dyn AsRawFd`
     |
     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_pass_by_ref_mut
     = note: `#[warn(clippy::needless_pass_by_ref_mut)]` on by default

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
This commit is contained in:
Rob Bradford 2023-08-22 11:02:56 +01:00 committed by Rob Bradford
parent 1dd1850747
commit 8d072fef15
1 changed files with 9 additions and 9 deletions
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18
vmm/src/device_manager.rs
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@ -1905,7 +1905,7 @@ impl DeviceManager {
Ok(())
}
fn set_raw_mode(&mut self, f: &mut dyn AsRawFd) -> vmm_sys_util::errno::Result<()> {
fn set_raw_mode(&mut self, f: &dyn AsRawFd) -> vmm_sys_util::errno::Result<()> {
// SAFETY: FFI call. Variable t is guaranteed to be a valid termios from modify_mode.
self.modify_mode(f.as_raw_fd(), |t| unsafe { cfmakeraw(t) })
}
@ -1945,9 +1945,9 @@ impl DeviceManager {
self.console_resize_pipe = resize_pipe.map(Arc::new);
Endpoint::PtyPair(file.try_clone().unwrap(), file)
} else {
let (main, mut sub, path) =
let (main, sub, path) =
create_pty().map_err(DeviceManagerError::ConsolePtyOpen)?;
self.set_raw_mode(&mut sub)
self.set_raw_mode(&sub)
.map_err(DeviceManagerError::SetPtyRaw)?;
self.config.lock().unwrap().console.file = Some(path.clone());
let file = main.try_clone().unwrap();
@ -1967,10 +1967,10 @@ impl DeviceManager {
return vmm_sys_util::errno::errno_result().map_err(DeviceManagerError::DupFd);
}
// SAFETY: stdout is valid and owned solely by us.
let mut stdout = unsafe { File::from_raw_fd(stdout) };
let stdout = unsafe { File::from_raw_fd(stdout) };
// Make sure stdout is in raw mode, if it's a terminal.
let _ = self.set_raw_mode(&mut stdout);
let _ = self.set_raw_mode(&stdout);
// SAFETY: FFI call. Trivially safe.
if unsafe { libc::isatty(libc::STDOUT_FILENO) } == 1 {
@ -2060,9 +2060,9 @@ impl DeviceManager {
self.config.lock().unwrap().serial.file = Some(pty.path.clone());
self.serial_pty = Some(Arc::new(Mutex::new(pty)));
} else {
let (main, mut sub, path) =
let (main, sub, path) =
create_pty().map_err(DeviceManagerError::SerialPtyOpen)?;
self.set_raw_mode(&mut sub)
self.set_raw_mode(&sub)
.map_err(DeviceManagerError::SetPtyRaw)?;
self.config.lock().unwrap().serial.file = Some(path.clone());
self.serial_pty = Some(Arc::new(Mutex::new(PtyPair { main, path })));
@ -2070,8 +2070,8 @@ impl DeviceManager {
None
}
ConsoleOutputMode::Tty => {
let mut out = stdout();
let _ = self.set_raw_mode(&mut out);
let out = stdout();
let _ = self.set_raw_mode(&out);
Some(Box::new(out))
}
ConsoleOutputMode::Off | ConsoleOutputMode::Null => None,