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ide: check ->dma_setup() return value in flagged_taskfile()

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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-10-20 00:32:37 +02:00
parent d3bad45f02
commit dd35b7bb86
1 changed files with 7 additions and 4 deletions
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11
drivers/ide/ide-taskfile.c
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@ -837,9 +837,11 @@ 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:
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 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
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;
}