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(parent: 2c957a8) | patch
s390/ccwgroup: require at least one ccw device
authorJulian Wiedmann <jwi@linux.vnet.ibm.com>
Tue, 30 Jan 2018 13:39:34 +0000 (14:39 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 10 Apr 2018 05:38:57 +0000 (07:38 +0200)
commitab7efda477f976c22f1d35797c33f22612d93182
treed70314e81bc02653fa7b4ade9d241c1901d12af5tree | snapshot
parent2c957a8ad45991f3ef71da5c75ed2299f3d46a31commit | 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>
drivers/s390/cio/ccwgroup.c diff | blob | history
Domain: System / Kernel;