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xenbus: don't free other end details too early

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The individual drivers' remove functions could legitimately attempt to
access this information (for logging messages if nothing else). Note
that I did not in fact observe a problem anywhere, but I came across
this while looking into the reasons for what turned out to need the
fix at https://lkml.org/lkml/2012/3/5/336 to vsprintf().

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Jan Beulich 2012-03-05 17:11:31 +00:00 committed by Konrad Rzeszutek Wilk
parent 73c154c60b
commit bd0d5aa417
1 changed files with 2 additions and 1 deletions
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3
drivers/xen/xenbus/xenbus_probe.c
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@ -257,11 +257,12 @@ int xenbus_dev_remove(struct device *_dev)
DPRINTK("%s", dev->nodename);
free_otherend_watch(dev);
free_otherend_details(dev);
if (drv->remove)
drv->remove(dev);
free_otherend_details(dev);
xenbus_switch_state(dev, XenbusStateClosed);
return 0;
}