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authorSage Weil <sage@newdream.net>2011-09-07 09:28:05 -0700
committerKevin Wolf <kwolf@redhat.com>2011-09-12 15:17:21 +0200
commitdfe80b071b6ef6c9c0b4e36191e2fe2d16050766 (patch)
treebc4f013df1fd86dab3c2c9b66ead67ee4e31c373
parent7c7e9df0232a1ce5c411f0f348038d2e72097ae1 (diff)
downloadfocaccia-qemu-dfe80b071b6ef6c9c0b4e36191e2fe2d16050766.tar.gz
focaccia-qemu-dfe80b071b6ef6c9c0b4e36191e2fe2d16050766.zip
rbd: clean up, fix style
No assignment in condition.  Remove duplicate ret > 0 check.

Signed-off-by: Sage Weil <sage@newdream.net>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/rbd.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/block/rbd.c b/block/rbd.c
index 6135fc17cd..276309293a 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -391,15 +391,14 @@ static void qemu_rbd_aio_event_reader(void *opaque)
         char *p = (char *)&s->event_rcb;
 
         /* now read the rcb pointer that was sent from a non qemu thread */
-        if ((ret = read(s->fds[RBD_FD_READ], p + s->event_reader_pos,
-                        sizeof(s->event_rcb) - s->event_reader_pos)) > 0) {
-            if (ret > 0) {
-                s->event_reader_pos += ret;
-                if (s->event_reader_pos == sizeof(s->event_rcb)) {
-                    s->event_reader_pos = 0;
-                    qemu_rbd_complete_aio(s->event_rcb);
-                    s->qemu_aio_count--;
-                }
+        ret = read(s->fds[RBD_FD_READ], p + s->event_reader_pos,
+                   sizeof(s->event_rcb) - s->event_reader_pos);
+        if (ret > 0) {
+            s->event_reader_pos += ret;
+            if (s->event_reader_pos == sizeof(s->event_rcb)) {
+                s->event_reader_pos = 0;
+                qemu_rbd_complete_aio(s->event_rcb);
+                s->qemu_aio_count--;
             }
         }
     } while (ret < 0 && errno == EINTR);