- if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
- read(rfd, sb->device_uuid, 16) != 16) {
- *(__u32*)(sb->device_uuid) = random();
- *(__u32*)(sb->device_uuid+4) = random();
- *(__u32*)(sb->device_uuid+8) = random();
- *(__u32*)(sb->device_uuid+12) = random();
- }
- if (rfd >= 0) close(rfd);
- sb->events = 0;
-
- refst =*st;
- refst.sb = NULL;
- if (load_super1(&refst, fd, NULL)==0) {
- struct mdp_superblock_1 *refsb = refst.sb;
-
- memcpy(sb->device_uuid, refsb->device_uuid, 16);
- if (memcmp(sb->set_uuid, refsb->set_uuid, 16)==0) {
- /* same array, so preserve events and dev_number */
- sb->events = refsb->events;
- /* bugs in 2.6.17 and earlier mean the dev_number
- * chosen in Manage must be preserved
- */
- if (get_linux_version() >= 2006018)
- sb->dev_number = refsb->dev_number;
+ if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
+ read(rfd, sb->device_uuid, 16) != 16) {
+ *(__u32*)(sb->device_uuid) = random();
+ *(__u32*)(sb->device_uuid+4) = random();
+ *(__u32*)(sb->device_uuid+8) = random();
+ *(__u32*)(sb->device_uuid+12) = random();
+ }
+ if (rfd >= 0) close(rfd);
+ sb->events = 0;
+
+ refst =*st;
+ refst.sb = NULL;
+ if (load_super1(&refst, di->fd, NULL)==0) {
+ struct mdp_superblock_1 *refsb = refst.sb;
+
+ memcpy(sb->device_uuid, refsb->device_uuid, 16);
+ if (memcmp(sb->set_uuid, refsb->set_uuid, 16)==0) {
+ /* same array, so preserve events and
+ * dev_number */
+ sb->events = refsb->events;
+ /* bugs in 2.6.17 and earlier mean the
+ * dev_number chosen in Manage must be preserved
+ */
+ if (get_linux_version() >= 2006018)
+ sb->dev_number = refsb->dev_number;
+ }
+ free(refsb);