sdio: handle null tuples

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
git-mirror · Mar 24, 2009 · c8d718f · c8d718f
1 parent 0d6132b
commit c8d718f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
@@ -223,6 +223,10 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func)
 		if (tpl_code == 0xff)
 			break;
 
+		/* null entries have no link field or data */
+		if (tpl_code == 0x00)
+			continue;
+
 		ret = mmc_io_rw_direct(card, 0, 0, ptr++, 0, &tpl_link);
 		if (ret)
 			break;