pm: clear -EAGAIN in dpm_prepare
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 resume failure. Prevent this by
clearing the return code after -EAGAIN.
Signed-off-by: Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx>
---
drivers/base/power/main.c | 1 +
1 file changed, 1 insertion(+)
Index: git.linux-2.6/drivers/base/power/main.c
===================================================================
--- git.linux-2.6.orig/drivers/base/power/main.c 2009-06-30 12:27:33.000000000 +0200
+++ git.linux-2.6/drivers/base/power/main.c 2009-06-30 12:38:26.000000000 +0200
@@ -762,6 +762,7 @@ static int dpm_prepare(pm_message_t stat
dev->power.status = DPM_ON;
if (error == -EAGAIN) {
put_device(dev);
+ error = 0;
continue;
}
printk(KERN_ERR "PM: Failed to prepare device %s "
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