[PATCH] ieee1394: skip unnecessary pause when scanning config ROMs

Skip a superfluous pause that occured when the config ROM of a node was
scanned unsuccessfully. This also occurs if a node without link wrongly
enables its "link active" self ID flag. A GWCTech 6-port hub does this.

Signed-off-by: Stefan Richter <[e-mail]>
Signed-off-by: Jody McIntyre <[e-mail]>
Cc: Ben Collins <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/ieee1394/nodemgr.c

···
 	struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci;
 	int i, ret = 0;
 
-	for (i = 0; i < 3; i++) {
+	for (i = 1; ; i++) {
 		ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr,
 				buffer, length);
-		if (!ret)
+		if (!ret || i == 3)
 			break;
 
 		if (msleep_interruptible(334))