diff options
| author | Michael Biebl <mbiebl@gmail.com> | 2008-04-07 10:55:05 +0200 |
|---|---|---|
| committer | Michael Biebl <mbiebl@gmail.com> | 2008-04-07 10:55:05 +0200 |
| commit | 93af881ac18718c8eae7f575c3f30396791b0e75 (patch) | |
| tree | b4185d03053497e7819c6b213be9970f2662cab8 /pm/module.d | |
| parent | 4b527b7b88e146e9633a11337e3055d282b5c281 (diff) | |
Add safety check before writing mode to /sys/power/disk
Be extra paranoid and only set HIBERNATE_MODE if it is actually
supported.
Diffstat (limited to 'pm/module.d')
| -rwxr-xr-x | pm/module.d/kernel | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pm/module.d/kernel b/pm/module.d/kernel index ee2f75f..cebcd98 100755 --- a/pm/module.d/kernel +++ b/pm/module.d/kernel @@ -22,8 +22,9 @@ check_hibernate() do_hibernate() { - [ "$HIBERNATE_MODE" ] && \ - echo -n "${HIBERNATE_MODE}" > /sys/power/disk + [ -n "${HIBERNATE_MODE}" ] && \ + grep -q "${HIBERNATE_MODE}" /sys/power/disk && \ + echo -n "${HIBERNATE_MODE}" > /sys/power/disk echo -n "disk" > /sys/power/state } |