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tools/lguest: Don't bork the terminal in case of wrong args

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Running lguest without arguments or with a wrong argument name
borks the terminal, because the cleanup handler is set up too late
in the initialization process.

Signed-off-by: Daniel Baluta <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Daniel Baluta 2016-09-07 19:49:34 +09:30 • committed by Ingo Molnar
commit db91e2370e
1 changed files with 3 additions and 3 deletions
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6
tools/lguest/lguest.c
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@ -3266,6 +3266,9 @@ int main(int argc, char *argv[])
}
}
/* If we exit via err(), this kills all the threads, restores tty. */
atexit(cleanup_devices);
/* We always have a console device, and it's always device 1. */
setup_console();
@ -3369,9 +3372,6 @@ int main(int argc, char *argv[])
/* Ensure that we terminate if a device-servicing child dies. */
signal(SIGCHLD, kill_launcher);
/* If we exit via err(), this kills all the threads, restores tty. */
atexit(cleanup_devices);
/* If requested, chroot to a directory */
if (chroot_path) {
if (chroot(chroot_path) != 0)