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rustjail: check result to let it return early.

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check the result to let it return early if there are some errors

Fixes: #4708

Signed-off-by: liubin <liubin0329@gmail.com>
This commit is contained in:
liubin 2022-07-20 14:26:06 +08:00
parent 6d56cdb9ac
commit eec9ac81ef
1 changed files with 20 additions and 5 deletions
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25
src/agent/rustjail/src/mount.rs
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@ -786,12 +786,25 @@ fn mount_from(
"create dir {}: {}", "create dir {}: {}",
dir.to_str().unwrap(), dir.to_str().unwrap(),
e.to_string() e.to_string()
) );
}); e
})?;
// make sure file exists so we can bind over it // make sure file exists so we can bind over it
if !src.is_dir() { if !src.is_dir() {
let _ = OpenOptions::new().create(true).write(true).open(&dest); let _ = OpenOptions::new()
.create(true)
.write(true)
.open(&dest)
.map_err(|e| {
log_child!(
cfd_log,
"open/create dest error. {}: {:?}",
dest.as_str(),
e
);
e
})?;
} }
src.to_str().unwrap().to_string() src.to_str().unwrap().to_string()
} else { } else {
@ -804,8 +817,10 @@ fn mount_from(
} }
}; };
let _ = stat::stat(dest.as_str()) let _ = stat::stat(dest.as_str()).map_err(|e| {
.map_err(|e| log_child!(cfd_log, "dest stat error. {}: {:?}", dest.as_str(), e)); log_child!(cfd_log, "dest stat error. {}: {:?}", dest.as_str(), e);
e
})?;
mount( mount(
Some(src.as_str()), Some(src.as_str()),