[S390] cio: use exception-save stsch
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Thu, 22 Apr 2010 15:17:05 +0000 (17:17 +0200)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Thu, 22 Apr 2010 15:17:19 +0000 (17:17 +0200)
commit8821d24cd261aede9b0436cd3252b17a60ccc33a
tree66762388019bf846ea5205d9c9fd95ba364952a3
parent889ee9556c89a877b8343b6bbe6ac8dc5d57e433
[S390] cio: use exception-save stsch

Using stsch on schids with ssid != 0 can lead to an operand
exception. Use stsch_err to handle potential exceptions
if we fail to reenable mss after hibernation.

Cc: <stable@kernel.org>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/chsc_sch.c
drivers/s390/cio/cio.c
drivers/s390/cio/device_fsm.c