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| author | Jan Beulich <JBeulich@suse.com> | 2016-08-15 17:02:38 +0200 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2016-08-24 19:16:18 +0200 |
| commit | 9a035a40f7f3f6708b79224b86c5777a3334f7ea (patch) | |
| tree | 322b5db38f582da6dea4416adedba7bc7ba21644 /drivers/xen | |
| parent | Linux 4.8-rc3 (diff) | |
| download | linux-9a035a40f7f3f6708b79224b86c5777a3334f7ea.tar.xz linux-9a035a40f7f3f6708b79224b86c5777a3334f7ea.zip | |
xenbus: don't look up transaction IDs for ordinary writes
This should really only be done for XS_TRANSACTION_END messages, or
else at least some of the xenstore-* tools don't work anymore.
Fixes: 0beef634b8 ("xenbus: don't BUG() on user mode induced condition")
Reported-by: Richard Schütz <rschuetz@uni-koblenz.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Tested-by: Richard Schütz <rschuetz@uni-koblenz.de>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_dev_frontend.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 7487971f9f78..c1010f018bd8 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -316,7 +316,7 @@ static int xenbus_write_transaction(unsigned msg_type, rc = -ENOMEM; goto out; } - } else { + } else if (msg_type == XS_TRANSACTION_END) { list_for_each_entry(trans, &u->transactions, list) if (trans->handle.id == u->u.msg.tx_id) break; |