[S390] cio: suppress chpid event in case of configure error

Do not send CHP_ONLINE/CHP_OFFLINE events to subchannel drivers when a
channel-path configure request failed.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 19078d5288536a63b375c219a256ef877f27611c..e40eda0ed462cc21599b76202a8dbffecbb7ee4e 100644 (file)
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -624,6 +624,7 @@ static void cfg_func(struct work_struct *work)
 {
        struct chp_id chpid;
        enum cfg_task_t t;
+       int rc;
 
        mutex_lock(&cfg_lock);
        t = cfg_none;
@@ -638,14 +639,24 @@ static void cfg_func(struct work_struct *work)
 
        switch (t) {
        case cfg_configure:
-               sclp_chp_configure(chpid);
-               info_expire();
-               chsc_chp_online(chpid);
+               rc = sclp_chp_configure(chpid);
+               if (rc)
+                       CIO_MSG_EVENT(2, "chp: sclp_chp_configure(%x.%02x)="
+                                     "%d\n", chpid.cssid, chpid.id, rc);
+               else {
+                       info_expire();
+                       chsc_chp_online(chpid);
+               }
                break;
        case cfg_deconfigure:
-               sclp_chp_deconfigure(chpid);
-               info_expire();
-               chsc_chp_offline(chpid);
+               rc = sclp_chp_deconfigure(chpid);
+               if (rc)
+                       CIO_MSG_EVENT(2, "chp: sclp_chp_deconfigure(%x.%02x)="
+                                     "%d\n", chpid.cssid, chpid.id, rc);
+               else {
+                       info_expire();
+                       chsc_chp_offline(chpid);
+               }
                break;
        case cfg_none:
                /* Get updated information after last change. */