commit eda5b359dc8372424eed94f5a3e27c2deb4e76cf
author Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Sat Oct 20 00:32:37 2007 +0200
committer Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Sat Oct 20 00:32:37 2007 +0200
tree fced40520225fa475e05738e079be1b86e6fbd79
parent dd35b7bb86c1ae6adddf68db71481144941246d1

ide: check drive->using_dma in flagged_taskfile()

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

drivers/ide/ide-taskfile.c

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);