| commit | ab7efda477f976c22f1d35797c33f22612d93182 | [log] [tgz] |
|---|---|---|
| author | Julian Wiedmann <jwi@linux.vnet.ibm.com> | Tue Jan 30 14:39:34 2018 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Tue Apr 10 07:38:57 2018 +0200 |
| tree | d70314e81bc02653fa7b4ade9d241c1901d12af5 | |
| parent | 2c957a8ad45991f3ef71da5c75ed2299f3d46a31 [diff] |
s390/ccwgroup: require at least one ccw device ccwgroup_create_dev() derives the gdev's device name from gdev->cdev[0], so make sure that this reference is valid. For robustness only, all current ccwgroup drivers get this right. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>