From: Jan Beulich Date: Mon, 15 Aug 2016 15:02:38 +0000 (-0600) Subject: xenbus: don't look up transaction IDs for ordinary writes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9a035a40f7f3f6708b79224b86c5777a3334f7ea;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 Cc: Signed-off-by: Jan Beulich Tested-by: Richard Schütz Signed-off-by: David Vrabel --- 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;