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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/cio/css.c | |
| 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/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index c47b25fd3f43..92d7324acb1c 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -814,8 +814,8 @@ static int css_power_event(struct notifier_block *this, unsigned long event, mutex_unlock(&css->mutex); continue; } - if (__chsc_do_secm(css, 0)) - ret = NOTIFY_BAD; + ret = __chsc_do_secm(css, 0); + ret = notifier_from_errno(ret); mutex_unlock(&css->mutex); } break; @@ -831,8 +831,8 @@ static int css_power_event(struct notifier_block *this, unsigned long event, mutex_unlock(&css->mutex); continue; } - if (__chsc_do_secm(css, 1)) - ret = NOTIFY_BAD; + ret = __chsc_do_secm(css, 1); + ret = notifier_from_errno(ret); mutex_unlock(&css->mutex); } /* search for subchannels, which appeared during hibernation */ |