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authorJiri Kosina <jkosina@suse.cz>2012-10-28 19:28:52 +0100
committerJiri Kosina <jkosina@suse.cz>2012-10-28 19:29:19 +0100
commit3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch)
tree0058693cc9e70b7461dae551f8a19aff2efd13ca /drivers/s390/cio/css.c
parentf16f84937d769c893492160b1a8c3672e3992beb (diff)
parente657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff)
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch against newer version of the code. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/s390/cio/css.c')
-rw-r--r--drivers/s390/cio/css.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 21908e67bf67..fd00afd8b850 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -377,7 +377,11 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow)
/* Will be done on the slow path. */
return -EAGAIN;
}
- if (stsch_err(schid, &schib) || !css_sch_is_valid(&schib)) {
+ if (stsch_err(schid, &schib)) {
+ /* Subchannel is not provided. */
+ return -ENXIO;
+ }
+ if (!css_sch_is_valid(&schib)) {
/* Unusable - ignore. */
return 0;
}
@@ -445,6 +449,7 @@ void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
put_device(&sch->dev);
}
}
+EXPORT_SYMBOL_GPL(css_sched_sch_todo);
static void css_sch_todo(struct work_struct *work)
{
@@ -535,6 +540,7 @@ static int slow_eval_unknown_fn(struct subchannel_id schid, void *data)
case -ENOMEM:
case -EIO:
/* These should abort looping */
+ idset_sch_del_subseq(slow_subchannel_set, schid);
break;
default:
rc = 0;