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 suspend failure. Prevent this by clearing the return code after -EAGAIN. Signed-off-by: Sebastian Ott <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
Findingmyway · Jul 8, 2009 · 886a7a3 · 886a7a3
1 parent 00024be
commit 886a7a3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
@@ -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 "