dasd: fix possible NULL pointer errors
authorStefan Haberland <stefan.haberland@de.ibm.com>
Wed, 27 Jan 2010 09:12:35 +0000 (10:12 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 9 Feb 2010 12:50:44 +0000 (04:50 -0800)
commit1e8896049716fd580718bb9431c2ad3bddd114d7
tree7126f3b99d4068db99cda48407ba7cb779225957
parent083beff011df31d82abe859479ab6c33af5504f5
dasd: fix possible NULL pointer errors

commit 294001a80c9810e2fe27aaaad7df8be12a103065 upstream.

Fix possible NULL pointer in DASD messages and correct discipline
checking.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/s390/block/dasd.c
drivers/s390/block/dasd_eckd.c
drivers/s390/block/dasd_ioctl.c
drivers/s390/block/dasd_proc.c