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mmc: core: Don't panic when fetching EXT_CSD 

Instead of doing BUG_ON(), return an error code.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ulf Hansson 2014-10-16 17:00:39 +02:00
parent c197787ced
commit 2fd322a58e
1 changed files with 2 additions and 4 deletions
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6
drivers/mmc/core/mmc.c
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@ -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) {