[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [linux-2.6.18-xen] xenbus: simplify xenbus_dev_request_and_reply()
# HG changeset patch # User Jan Beulich <jbeulich@xxxxxxxxxx> # Date 1306941439 -3600 # Node ID 80fdb46627c0c319c65ab3edac2e6a4dc106e19c # Parent 43583616b0d71dfccbd47f0f3ec062efd3c46658 xenbus: simplify xenbus_dev_request_and_reply() No need to retain a local copy of the full request message, only the type is really needed. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx> --- diff -r 43583616b0d7 -r 80fdb46627c0 drivers/xen/xenbus/xenbus_xs.c --- a/drivers/xen/xenbus/xenbus_xs.c Wed Jun 01 16:16:45 2011 +0100 +++ b/drivers/xen/xenbus/xenbus_xs.c Wed Jun 01 16:17:19 2011 +0100 @@ -203,10 +203,10 @@ void *xenbus_dev_request_and_reply(struct xsd_sockmsg *msg) { void *ret; - struct xsd_sockmsg req_msg = *msg; + enum xsd_sockmsg_type type = msg->type; int err; - if (req_msg.type == XS_TRANSACTION_START) + if (type == XS_TRANSACTION_START) transaction_start(); mutex_lock(&xs_state.request_mutex); @@ -220,9 +220,8 @@ mutex_unlock(&xs_state.request_mutex); - if ((req_msg.type == XS_TRANSACTION_END) || - ((req_msg.type == XS_TRANSACTION_START) && - (msg->type == XS_ERROR))) + if ((type == XS_TRANSACTION_END) || + ((type == XS_TRANSACTION_START) && (msg->type == XS_ERROR))) transaction_end(); return ret; _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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