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-rw-r--r--drivers/mmc/core/core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index ebf1a08cd359..6db36dc870b5 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2071,9 +2071,9 @@ unsigned int mmc_calc_max_discard(struct mmc_card *card)
return card->pref_erase;
max_discard = mmc_do_calc_max_discard(card, MMC_ERASE_ARG);
- if (max_discard && mmc_can_trim(card)) {
+ if (mmc_can_trim(card)) {
max_trim = mmc_do_calc_max_discard(card, MMC_TRIM_ARG);
- if (max_trim < max_discard)
+ if (max_trim < max_discard || max_discard == 0)
max_discard = max_trim;
} else if (max_discard < card->erase_size) {
max_discard = 0;