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authorCatalin Marinas <catalin.marinas@arm.com>2012-11-05 14:58:32 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2012-11-05 14:58:32 +0000
commit3fd9396af83a1e69eaf9ebb573207431d8f265b6 (patch)
treef221f5777695de71ea97423c67438bca1746e26c /drivers/s390/cio/css.c
parente3978cded41dc7b364e74037f56d6bc558c11fd7 (diff)
parent3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff)
Merge tag 'v3.7-rc4' into upstream-master
Linux 3.7-rc4
Diffstat (limited to 'drivers/s390/cio/css.c')
-rw-r--r--drivers/s390/cio/css.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index b4d572f65f0..fd00afd8b85 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;
}
@@ -536,6 +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;