tree d6e73bfe17509597353206f761d22f0b4b78ae17
parent defc2a9b9899511445cfbaa2c3a6509964b71207
author Stefan Haberland <sth@linux.vnet.ibm.com> 1485352052 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1485856035 +0100

s390/dasd: check for device error pointer within state change interrupts

Check if the device pointer is valid. Just a sanity check since we already
are in the int handler of the device.

Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>