aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/xen/xenfs/xenbus.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/xen/xenfs/xenbus.c b/drivers/xen/xenfs/xenbus.c
index 875a4c59c594..a9592d981b10 100644
--- a/drivers/xen/xenfs/xenbus.c
+++ b/drivers/xen/xenfs/xenbus.c
@@ -291,7 +291,7 @@ static void watch_fired(struct xenbus_watch *watch,
291static int xenbus_write_transaction(unsigned msg_type, 291static int xenbus_write_transaction(unsigned msg_type,
292 struct xenbus_file_priv *u) 292 struct xenbus_file_priv *u)
293{ 293{
294 int rc, ret; 294 int rc;
295 void *reply; 295 void *reply;
296 struct xenbus_transaction_holder *trans = NULL; 296 struct xenbus_transaction_holder *trans = NULL;
297 LIST_HEAD(staging_q); 297 LIST_HEAD(staging_q);
@@ -326,15 +326,14 @@ static int xenbus_write_transaction(unsigned msg_type,
326 } 326 }
327 327
328 mutex_lock(&u->reply_mutex); 328 mutex_lock(&u->reply_mutex);
329 ret = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg)); 329 rc = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg));
330 if (!ret) 330 if (!rc)
331 ret = queue_reply(&staging_q, reply, u->u.msg.len); 331 rc = queue_reply(&staging_q, reply, u->u.msg.len);
332 if (!ret) { 332 if (!rc) {
333 list_splice_tail(&staging_q, &u->read_buffers); 333 list_splice_tail(&staging_q, &u->read_buffers);
334 wake_up(&u->read_waitq); 334 wake_up(&u->read_waitq);
335 } else { 335 } else {
336 queue_cleanup(&staging_q); 336 queue_cleanup(&staging_q);
337 rc = ret;
338 } 337 }
339 mutex_unlock(&u->reply_mutex); 338 mutex_unlock(&u->reply_mutex);
340 339