ide: check drive->using_dma in flagged_taskfile()
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 6812f47..73ef6bf 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -837,6 +837,9 @@
case TASKFILE_OUT_DMA:
case TASKFILE_IN_DMAQ:
case TASKFILE_IN_DMA:
+ if (!drive->using_dma)
+ break;
+
if (!hwif->dma_setup(drive)) {
hwif->dma_exec_cmd(drive, taskfile->command);
hwif->dma_start(drive);