forked from Minki/linux
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>
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@ -837,9 +837,11 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
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case TASKFILE_OUT_DMA:
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case TASKFILE_IN_DMAQ:
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case TASKFILE_IN_DMA:
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hwif->dma_setup(drive);
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if (!hwif->dma_setup(drive)) {
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hwif->dma_exec_cmd(drive, taskfile->command);
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hwif->dma_start(drive);
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return ide_started;
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}
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break;
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default:
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@ -853,7 +855,8 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
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return task->prehandler(drive, task->rq);
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}
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ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL);
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}
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return ide_started;
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}
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return ide_stopped;
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}
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