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tape: fix non-rewinding tape device check

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This commit is contained in:
Dietmar Maurer 2020-12-25 15:38:29 +01:00
parent 8ae9f4efc2
commit fc6ce9835b
1 changed files with 2 additions and 1 deletions
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3
src/tape/drive/linux_tape.rs
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@ -57,6 +57,7 @@ impl LinuxTapeDrive {
/// ///
/// This does additional checks: /// This does additional checks:
/// ///
/// - check if it is a non-rewinding tape device
/// - check if drive is ready (tape loaded) /// - check if drive is ready (tape loaded)
/// - check block size /// - check block size
pub fn open(&self) -> Result<LinuxTapeHandle, Error> { pub fn open(&self) -> Result<LinuxTapeHandle, Error> {
@ -387,7 +388,7 @@ pub fn check_tape_is_linux_tape_device(file: &File) -> Result<(), Error> {
let major = unsafe { libc::major(devnum) }; let major = unsafe { libc::major(devnum) };
let minor = unsafe { libc::minor(devnum) }; let minor = unsafe { libc::minor(devnum) };
if !(major != 9) { if major != 9 {
bail!("not a tape device"); bail!("not a tape device");
} }
if (minor & 128) == 0 { if (minor & 128) == 0 {