Index: linux-2.6.12/drivers/mmc/mmc.c
===================================================================
--- linux-2.6.12.orig/drivers/mmc/mmc.c	2005-08-04 22:27:44.000000000 +0100
+++ linux-2.6.12/drivers/mmc/mmc.c	2005-08-04 22:30:02.000000000 +0100
@@ -923,7 +923,7 @@
 		mrq.cmd = &cmd;
 		mrq.data = &data;
 
-		sg_init_one(&sg, (u8*)card->raw_scr, 64);
+		sg_init_one(&sg, (u8*)card->raw_scr, 8);
 
 		err = mmc_wait_for_req(host, &mrq);
 		if (err != MMC_ERR_NONE) {