ide: don't BUG() on unsupported transfer modes

Fix ide-cris, cs5530, sc1200 and sis5513 host drivers to just return instead
of OOPS-ing for unsupported modes in ->set_dma_mode methods.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index e196aefa2070..7f5bc2ee6c7e 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -748,8 +748,7 @@ static void cris_set_dma_mode(ide_drive_t *drive, const u8 speed)
                         hold = ATA_DMA2_HOLD;
                         break;
                 default:
-                        BUG();
-                        break;
+                        return;
         }
 
         if (speed >= XFER_UDMA_0)