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authorCornelia Huck <cornelia.huck@de.ibm.com>2007-02-05 21:17:36 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-02-05 21:17:36 +0100
commit758976f9a55cb22ddc602a0690d67f9546e3e43f (patch)
tree760b3e46fb3e3eb793b8744dca8541c9e82a6375 /drivers
parent[S390] Fix register usage description. (diff)
downloadlinux-758976f9a55cb22ddc602a0690d67f9546e3e43f.tar.xz
linux-758976f9a55cb22ddc602a0690d67f9546e3e43f.zip
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/cio/chsc.c2
-rw-r--r--drivers/s390/cio/css.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 15b0e6329cf3..514daeaba705 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 2da01b7a3b0a..bdf13699fe0d 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;
}