sdio: handle null tuples
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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@ -223,6 +223,10 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func)
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if (tpl_code == 0xff)
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break;
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/* null entries have no link field or data */
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if (tpl_code == 0x00)
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continue;
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ret = mmc_io_rw_direct(card, 0, 0, ptr++, 0, &tpl_link);
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if (ret)
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break;
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