--- a/drivers/mmc/core/sdio_cis.c 2010-01-05 03:36:51.000000000 +0100 +++ b/drivers/mmc/core/sdio_cis.c 2010-01-05 03:38:44.000000000 +0100 @@ -123,14 +123,14 @@ vsn = func->card->cccr.sdio_vsn; min_size = (vsn == SDIO_SDIO_REV_1_00) ? 28 : 42; - if (size < min_size || buf[0] != 1) + if (buf[0] != 1) return -EINVAL; /* TPLFE_MAX_BLK_SIZE */ func->max_blksize = buf[12] | (buf[13] << 8); /* TPLFE_ENABLE_TIMEOUT_VAL, present in ver 1.1 and above */ - if (vsn > SDIO_SDIO_REV_1_00) + if (vsn > SDIO_SDIO_REV_1_00 && size >= min_size) func->enable_timeout = (buf[28] | (buf[29] << 8)) * 10; else func->enable_timeout = jiffies_to_msecs(HZ);