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| author | Jan Beulich <JBeulich@suse.com> | 2016-07-07 01:32:35 -0600 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2016-07-08 11:50:29 +0100 |
| commit | e5a79475a7ae171fef82608c6e11f51bb85a6745 (patch) | |
| tree | 5af6f17112e6419dad5afd1ba5082f455b5e9703 /drivers/xen | |
| parent | 7469be95a487319514adce2304ad2af3553d2fc9 (diff) | |
| download | linux-e5a79475a7ae171fef82608c6e11f51bb85a6745.tar.gz linux-e5a79475a7ae171fef82608c6e11f51bb85a6745.tar.bz2 linux-e5a79475a7ae171fef82608c6e11f51bb85a6745.zip | |
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@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_xs.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index 0bd3d47ad24d..22f7cd711c57 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -232,10 +232,10 @@ static void transaction_resume(void) 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); @@ -250,8 +250,7 @@ void *xenbus_dev_request_and_reply(struct xsd_sockmsg *msg) mutex_unlock(&xs_state.request_mutex); if ((msg->type == XS_TRANSACTION_END) || - ((req_msg.type == XS_TRANSACTION_START) && - (msg->type == XS_ERROR))) + ((type == XS_TRANSACTION_START) && (msg->type == XS_ERROR))) transaction_end(); return ret; |