Marek Marczykowski-Górecki
8 years ago
parent
dfa046e641
commit
e795492b99
@ -1,40 +0,0 @@
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From 9a035a40f7f3f6708b79224b86c5777a3334f7ea Mon Sep 17 00:00:00 2001
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From: Jan Beulich <JBeulich@suse.com>
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Date: Mon, 15 Aug 2016 09:02:38 -0600
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Subject: [PATCH] xenbus: don't look up transaction IDs for ordinary writes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Organization: Invisible Things Lab
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Cc: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
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This should really only be done for XS_TRANSACTION_END messages, or
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else at least some of the xenstore-* tools don't work anymore.
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Fixes: 0beef634b8 ("xenbus: don't BUG() on user mode induced condition")
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Reported-by: Richard Schütz <rschuetz@uni-koblenz.de>
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Tested-by: Richard Schütz <rschuetz@uni-koblenz.de>
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Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
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---
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drivers/xen/xenbus/xenbus_dev_frontend.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
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index 7487971..c1010f01 100644
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--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
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+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
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@@ -316,7 +316,7 @@ static int xenbus_write_transaction(unsigned msg_type,
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rc = -ENOMEM;
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goto out;
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}
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- } else {
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+ } else if (msg_type == XS_TRANSACTION_END) {
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list_for_each_entry(trans, &u->transactions, list)
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if (trans->handle.id == u->u.msg.tx_id)
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break;
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--
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2.5.5
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