ide: check ->dma_setup() return value 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 24c6c3f..6812f47 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -837,9 +837,11 @@
case TASKFILE_OUT_DMA:
case TASKFILE_IN_DMAQ:
case TASKFILE_IN_DMA:
- hwif->dma_setup(drive);
- hwif->dma_exec_cmd(drive, taskfile->command);
- hwif->dma_start(drive);
+ if (!hwif->dma_setup(drive)) {
+ hwif->dma_exec_cmd(drive, taskfile->command);
+ hwif->dma_start(drive);
+ return ide_started;
+ }
break;
default:
@@ -853,7 +855,8 @@
return task->prehandler(drive, task->rq);
}
ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL);
+ return ide_started;
}
- return ide_started;
+ return ide_stopped;
}