AcoSail/kernel_optimize_test
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PM: Clear -EAGAIN in dpm_prepare

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When the last device in the dpm list is unregistered directly after its
prepare() callback returned with -EAGAIN, the return code is passed to
the calling function, resulting in a suspend failure. Prevent this by
clearing the return code after -EAGAIN.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Sebastian Ott 2009-07-08 13:26:05 +02:00 committed by Rafael J. Wysocki
parent 00024be968
commit 886a7a3371
1 changed files with 1 additions and 0 deletions
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1
drivers/base/power/main.c
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@ -762,6 +762,7 @@ static int dpm_prepare(pm_message_t state)
dev->power.status = DPM_ON;
if (error == -EAGAIN) {
put_device(dev);
error = 0;
continue;
}
printk(KERN_ERR "PM: Failed to prepare device %s "