Commit e42734e2 authored by Stefan Bader's avatar Stefan Bader Committed by Martin Schwidefsky
Browse files

[S390] cio: css_register_subchannel race.

Asynchronous probe can release memory of a subchannel before
css_get_ssd_info is called. To fix this call css_get_ssd_info
before registering with driver core.
Signed-off-by: default avatarStefan Bader <>
Signed-off-by: default avatarMartin Schwidefsky <>
parent da1cf23e
......@@ -139,6 +139,8 @@ css_register_subchannel(struct subchannel *sch)
sch->dev.release = &css_subchannel_release;
sch->dev.groups = subch_attr_groups;
/* make it known to the system */
ret = css_sch_device_register(sch);
if (ret) {
......@@ -146,7 +148,6 @@ css_register_subchannel(struct subchannel *sch)
__func__, sch->dev.bus_id);
return ret;
return ret;
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