[PATCH] drivers/cdrom/*: trivial vsnprintf() conversion

Fixing sbpcd.c baroque error printing in process.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/cdrom/optcd.c b/drivers/cdrom/optcd.c
index 25032d7..3541690 100644
--- a/drivers/cdrom/optcd.c
+++ b/drivers/cdrom/optcd.c
@@ -101,7 +101,7 @@
 		return;
 
 	va_start(args, fmt);
-	vsprintf(s, fmt, args);
+	vsnprintf(s, sizeof(s), fmt, args);
 	printk(KERN_DEBUG "optcd: %s\n", s);
 	va_end(args);
 }