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Commit 8ca45667 authored by Martin Schwidefsky's avatar Martin Schwidefsky Committed by Martin Schwidefsky
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[S390] s/r: cmm resume fix 



If a suspended z/VM guest has been logged off before the resume the
'SET SMSG IUCV' CP command need to be repeated to reenable sending
message via SMSG. This fixes the following error:

HCPMFS057I H4214002 not receiving; SMSG off
Error: non-zero CP response for command 'SMSG H4214002 CMM SHRINK 5010': #57

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 3f0b3c33

drivers/s390/net/smsgiucv.c

+6 −1
Original line number Diff line number Diff line
@@ -158,7 +158,12 @@ static int smsg_pm_restore_thaw(struct device *dev) 
		smsg_path->flags = 0;

		rc = iucv_path_connect(smsg_path, &smsg_handler, "*MSG    ",

				       NULL, NULL, NULL);

		printk(KERN_ERR "iucv_path_connect returned with rc %i\n", rc);

#ifdef CONFIG_PM_DEBUG

		if (rc)

			printk(KERN_ERR

			       "iucv_path_connect returned with rc %i\n", rc);

#endif

		cpcmd("SET SMSG IUCV", NULL, 0, NULL);

	}

	return 0;

}