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[S390] s/r: cmm resume fix

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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: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2009-10-29 15:04:08 +01:00 committed by Martin Schwidefsky
parent 3f0b3c33ee
commit 8ca45667f9
1 changed files with 6 additions and 1 deletions
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7
drivers/s390/net/smsgiucv.c
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@ -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;
}