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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2007-02-05 21:17:36 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-02-05 21:17:36 +0100 |
| commit | 758976f9a55cb22ddc602a0690d67f9546e3e43f (patch) | |
| tree | 760b3e46fb3e3eb793b8744dca8541c9e82a6375 | |
| parent | d8c351a97e492dcf24021a0875bf138bfa1374f9 (diff) | |
| download | op-kernel-dev-758976f9a55cb22ddc602a0690d67f9546e3e43f.zip op-kernel-dev-758976f9a55cb22ddc602a0690d67f9546e3e43f.tar.gz | |
[S390] cio: Catch operand exceptions on stsch.
If we have a subchannel id which has been generated via
for_each_subchannel(), it might contain an invalid subchannel set id.
We need to catch the ensuing operand exception by using stsch_err()
instead of stsch() in all possible cases.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | drivers/s390/cio/chsc.c | 2 | ||||
| -rw-r--r-- | drivers/s390/cio/css.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 15b0e63..514daea 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -608,7 +608,7 @@ __chp_add_new_sch(struct subchannel_id schid) struct schib schib; int ret; - if (stsch(schid, &schib)) + if (stsch_err(schid, &schib)) /* We're through */ return need_rescan ? -EAGAIN : -ENXIO; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 2da01b7..bdf1369 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -296,7 +296,7 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow) /* Will be done on the slow path. */ return -EAGAIN; } - if (stsch(schid, &schib) || !schib.pmcw.dnv) { + if (stsch_err(schid, &schib) || !schib.pmcw.dnv) { /* Unusable - ignore. */ return 0; } |
