icside: icside_dma_setup() fixes
Check for ide_build_sglist() return value and re-map sg table if necessary. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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@ -326,6 +326,10 @@ static int icside_dma_setup(ide_drive_t *drive)
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BUG_ON(dma_channel_active(ec->dma));
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hwif->sg_nents = ide_build_sglist(drive, rq);
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if (hwif->sg_nents == 0) {
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ide_map_sg(drive, rq);
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return 1;
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}
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/*
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* Ensure that we have the right interrupt routed.
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