From 3eb8dcafb5a73041e2f3b4a39c057a58e4354d83 Mon Sep 17 00:00:00 2001 From: Philip J Kelleher Date: Tue, 18 Jun 2013 14:48:38 -0500 Subject: rsxx: Adapter address space sanity check. Adding a sanity check to guarentee that DMAs outside of the device's address space will be errored out right away. Signed-off-by: Philip J Kelleher Signed-off-by: Jens Axboe --- drivers/block/rsxx/dev.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/block') diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c index a092f58..d7af441 100644 --- a/drivers/block/rsxx/dev.c +++ b/drivers/block/rsxx/dev.c @@ -174,6 +174,9 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio) if (!card) goto req_err; + if (bio->bi_sector + (bio->bi_size >> 9) > get_capacity(card->gendisk)) + goto req_err; + if (unlikely(card->halt)) { st = -EFAULT; goto req_err; -- cgit v1.1