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@@ -162,7 +162,7 @@ static int ide_cmd_ioctl(ide_drive_t *drive, unsigned long arg)
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if (tf->command == ATA_CMD_SET_FEATURES &&
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tf->feature == SETFEATURES_XFER &&
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tf->nsect >= XFER_SW_DMA_0) {
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- xfer_rate = ide_find_dma_mode(drive, XFER_UDMA_6);
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+ xfer_rate = ide_find_dma_mode(drive, tf->nsect);
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if (xfer_rate != tf->nsect) {
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err = -EINVAL;
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goto abort;
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