ub: oops with preempt ("Sahara Workshop")

[Pete Zaitcev]

I admit that the code should be locked properly instead, but the global plan
is to drop all P3 tagged printks anyway. So let it be guarded for the moment.

Signed-off-by: Pete Zaitcev <zaitcev@xxxxxxxxx>

--- linux-2.6.10-rc2-bk8-ub/drivers/block/ub.c	2004-11-16 17:03:02.000000000 -0800
+++ linux-2.6.10-rc1-ub/drivers/block/ub.c	2004-11-07 19:01:03.000000000 -0800
@@ -1535,8 +1535,11 @@
 
 	ub_revalidate(sc);
 	/* This is pretty much a long term P3 */
-	printk(KERN_INFO "%s: device %u capacity nsec %ld bsize %u\n",
-	    sc->name, sc->dev->devnum, sc->capacity.nsec, sc->capacity.bsize);
+	if (!atomic_read(&sc->poison)) {		/* Cover sc->dev */
+		printk(KERN_INFO "%s: device %u capacity nsec %ld bsize %u\n",
+		    sc->name, sc->dev->devnum,
+		    sc->capacity.nsec, sc->capacity.bsize);
+	}
 
 	/* XXX Support sector size switching like in sr.c */
 	blk_queue_hardsect_size(disk->queue, sc->capacity.bsize);
-
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