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authorAl Viro <viro@zeniv.linux.org.uk>2012-11-16 20:48:13 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-11-16 20:49:06 -0500
commit85910c202bb869edd2bb9a6c217a658c83f06f1e (patch)
treefcf4bf1ba2ebfcb6dec395a10ed6b33e7d33217e /drivers/s390/cio/css.c
parentf7200d4c504a385b1b70f3bab379f99745f7ef6a (diff)
parent517ffce4e1a03aea979fe3a18a3dd1761a24fafb (diff)
Merge commit '517ffce4e1a03aea979fe3a18a3dd1761a24fafb' into arch-sparc
Backmerge from the point in mainline where a trivial conflict had been introduced (arch/sparc/kernel/sys_sparc_64.c had grown sys_kern_features() right after where kernel_execve() used to be) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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 b4d572f65f07..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;
}
@@ -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;