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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2011-07-08 20:53:36 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-07-15 23:58:20 +0200 |
| commit | f0c077a8b7f9dce590c760a7b2f3c417dffa52d1 (patch) | |
| tree | ef6d08aa3ca1d79000db7d7479d98bda04a11c78 /drivers/s390/char | |
| parent | 1d8047a6f7973470bb1de4606a6e00c0bbee3cc6 (diff) | |
| download | linux-f0c077a8b7f9dce590c760a7b2f3c417dffa52d1.tar.bz2 | |
PM: Improve error code of pm_notifier_call_chain()
This enables pm_notifier_call_chain() to get the actual error code
in the callback rather than always assume -EINVAL by converting all
PM notifier calls to return encapsulate error code with
notifier_from_errno().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/s390/char')
| -rw-r--r-- | drivers/s390/char/vmwatchdog.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c index 12ef9121d4f0..11312f401c70 100644 --- a/drivers/s390/char/vmwatchdog.c +++ b/drivers/s390/char/vmwatchdog.c @@ -258,13 +258,13 @@ static int vmwdt_suspend(void) if (test_and_set_bit(VMWDT_OPEN, &vmwdt_is_open)) { pr_err("The system cannot be suspended while the watchdog" " is in use\n"); - return NOTIFY_BAD; + return notifier_from_errno(-EBUSY); } if (test_bit(VMWDT_RUNNING, &vmwdt_is_open)) { clear_bit(VMWDT_OPEN, &vmwdt_is_open); pr_err("The system cannot be suspended while the watchdog" " is running\n"); - return NOTIFY_BAD; + return notifier_from_errno(-EBUSY); } return NOTIFY_DONE; } |