[PATCH] relax ide-cd dma restrictions

This has been sitting for a while, and is causing lots of grief for
people burning CDs.  It relaxes the dma restriction for ide-cd,
requiring only the length to be 32-byte aligned, address should be fine
at normal double word alignment.

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 33a020faeabd..4f7ce7056228 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1933,7 +1933,7 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
                 /*
                  * check if dma is safe
                  */
-                if ((rq->data_len & mask) || (addr & mask))
+                if ((rq->data_len & 3) || (addr & mask))
                         info->dma = 0;
         }