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| author | Jan Beulich <JBeulich@suse.com> | 2012-03-05 18:11:31 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-03-13 19:15:29 +0100 |
| commit | bd0d5aa417d40d6b996fb7b5c926bcecd56c8984 (patch) | |
| tree | 7e05120b899c9bcabe1422d0c582c49d97cd1037 /drivers/xen/xenbus/xenbus_probe.c | |
| parent | xen/enlighten: Expose MWAIT and MWAIT_LEAF if hypervisor OKs it. (diff) | |
| download | linux-bd0d5aa417d40d6b996fb7b5c926bcecd56c8984.tar.xz linux-bd0d5aa417d40d6b996fb7b5c926bcecd56c8984.zip | |
xenbus: don't free other end details too early
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>
Diffstat (limited to 'drivers/xen/xenbus/xenbus_probe.c')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 3864967202b5..b793723e724d 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -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; } |