Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=eda5b359dc8372424eed94f5a3e27c2deb4e76cf
Commit:     eda5b359dc8372424eed94f5a3e27c2deb4e76cf
Parent:     dd35b7bb86c1ae6adddf68db71481144941246d1
Author:     Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Sat Oct 20 00:32:37 2007 +0200
Committer:  Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Sat Oct 20 00:32:37 2007 +0200

    ide: check drive->using_dma in flagged_taskfile()
    
    Acked-by: Sergei Shtylyov <[EMAIL PROTECTED]>
    Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
 drivers/ide/ide-taskfile.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

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 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, 
ide_task_t *task)
                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);
-
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