lcs: Recognize return codes of ccw_device_set_online().

The creation of a new lcs device requires a call to the function
ccw_device_set_online() for the read and the write channel. Failure
of either call should terminate the lcs device creation immediately
with return code -ENODEV.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index f8dfd70a89d9..5e46415d3e13 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2130,8 +2130,12 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
         card->write.ccwdev = ccwgdev->cdev[1];
 
         recover_state = card->state;
-        ccw_device_set_online(card->read.ccwdev);
-        ccw_device_set_online(card->write.ccwdev);
+        rc = ccw_device_set_online(card->read.ccwdev);
+        if (rc)
+                goto out_err;
+        rc = ccw_device_set_online(card->write.ccwdev);
+        if (rc)
+                goto out_werr;
 
         LCS_DBF_TEXT(3, setup, "lcsnewdv");
 
@@ -2210,8 +2214,10 @@ netdev_out:
         return 0;
 out:
 
-        ccw_device_set_offline(card->read.ccwdev);
         ccw_device_set_offline(card->write.ccwdev);
+out_werr:
+        ccw_device_set_offline(card->read.ccwdev);
+out_err:
         return -ENODEV;
 }