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agent: Change do_exec return type to ! because it will never return

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Indicates unreachable code.

Fixes #819

Signed-off-by: Tim Zhang <tim@hyper.sh>
This commit is contained in:
Tim Zhang 2020-09-29 14:47:13 +08:00
parent 9b2eaeeff0
commit 942999edb9
1 changed files with 3 additions and 3 deletions
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6
src/agent/rustjail/src/container.rs
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@ -1022,7 +1022,7 @@ where
}) })
} }
fn do_exec(args: &[String]) -> Result<()> { fn do_exec(args: &[String]) -> ! {
let path = &args[0]; let path = &args[0];
let p = CString::new(path.to_string()).unwrap(); let p = CString::new(path.to_string()).unwrap();
let sa: Vec<CString> = args let sa: Vec<CString> = args
@ -1041,8 +1041,8 @@ fn do_exec(args: &[String]) -> Result<()> {
_ => std::process::exit(-2), _ => std::process::exit(-2),
} }
} }
// should never reach here
Ok(()) unreachable!()
} }
fn update_namespaces(logger: &Logger, spec: &mut Spec, init_pid: RawFd) -> Result<()> { fn update_namespaces(logger: &Logger, spec: &mut Spec, init_pid: RawFd) -> Result<()> {