luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[S390] cio: css_register_subchannel race.

Browse Source 
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: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Stefan Bader 2006-12-15 17:18:30 +01:00 committed by Martin Schwidefsky
parent da1cf23efe
commit e42734e270
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/s390/cio/css.c
View File

@ -139,6 +139,8 @@ css_register_subchannel(struct subchannel *sch)
sch->dev.release = &css_subchannel_release;
sch->dev.groups = subch_attr_groups;
css_get_ssd_info(sch);
/* 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;
}
css_get_ssd_info(sch);
return ret;
}