mmc: core: Don't panic when fetching EXT_CSD (2fd322a5) · Commits · 戴 / test

drivers/mmc/core/mmc.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -185,8 +185,8 @@ static int mmc_get_ext_csd(struct mmc_card card, u8 *new_ext_csd)
		int err;
		u8 *ext_csd;

		BUG_ON(!card);
		BUG_ON(!new_ext_csd);
		if (!card \|\| !new_ext_csd)
		return -EINVAL;

		if (!mmc_can_ext_csd(card))
		return -EOPNOTSUPP;
		@@ -368,8 +368,6 @@ static int mmc_decode_ext_csd(struct mmc_card card, u8 ext_csd)
		int err = 0, idx;
		unsigned int part_size;

		BUG_ON(!card);

		/* Version is coded in the CSD_STRUCTURE byte in the EXT_CSD register */
		card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE];
		if (card->csd.structure == 3) {