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vmm: sigwinch_listener: Remove unncessary mut from reference
warning: this argument is a mutable reference, but not used mutably --> vmm/src/sigwinch_listener.rs:121:38 | 121 | fn set_foreground_process_group(tty: &mut File) -> io::Result<()> { | ^^^^^^^^^ help: consider changing to: `&File` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_pass_by_ref_mut Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
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@ -118,7 +118,7 @@ unsafe fn close_unused_fds(keep_fds: &mut [RawFd]) {
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}
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}
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fn set_foreground_process_group(tty: &mut File) -> io::Result<()> {
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fn set_foreground_process_group(tty: &File) -> io::Result<()> {
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// SAFETY: trivially safe.
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let my_pgrp = unsafe { getpgrp() };
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// SAFETY: we have borrowed tty.
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@ -155,7 +155,7 @@ fn set_foreground_process_group(tty: &mut File) -> io::Result<()> {
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Ok(())
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}
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fn sigwinch_listener_main(seccomp_filter: BpfProgram, tx: File, mut tty: File) -> ! {
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fn sigwinch_listener_main(seccomp_filter: BpfProgram, tx: File, tty: File) -> ! {
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// SAFETY: any references to these file descriptors are
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// unreachable, because this function never returns.
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unsafe {
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@ -172,7 +172,7 @@ fn sigwinch_listener_main(seccomp_filter: BpfProgram, tx: File, mut tty: File) -
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register_signal_handler(SIGWINCH, sigwinch_handler).unwrap();
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set_foreground_process_group(&mut tty).unwrap();
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set_foreground_process_group(&tty).unwrap();
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drop(tty);
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notify();
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