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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2010-04-22 17:17:05 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-04-22 17:17:19 +0200 |
| commit | 8821d24cd261aede9b0436cd3252b17a60ccc33a (patch) | |
| tree | 66762388019bf846ea5205d9c9fd95ba364952a3 /drivers/s390/cio/chsc_sch.c | |
| parent | 889ee9556c89a877b8343b6bbe6ac8dc5d57e433 (diff) | |
| download | op-kernel-dev-8821d24cd261aede9b0436cd3252b17a60ccc33a.zip op-kernel-dev-8821d24cd261aede9b0436cd3252b17a60ccc33a.tar.gz | |
[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>
Diffstat (limited to 'drivers/s390/cio/chsc_sch.c')
| -rw-r--r-- | drivers/s390/cio/chsc_sch.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index 404f630..3b6f4ad 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -124,7 +124,7 @@ static int chsc_subchannel_prepare(struct subchannel *sch) * since we don't have a way to clear the subchannel and * cannot disable it with a request running. */ - cc = stsch(sch->schid, &schib); + cc = stsch_err(sch->schid, &schib); if (!cc && scsw_stctl(&schib.scsw)) return -EAGAIN; return 0; |
