diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 8a0147dfed27d864d419de730499960c54bc202c..9aaf22e676c4b3a1a9248e4824d26711623d3122 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -2289,6 +2289,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
  err_kfree:
 	kfree(md);
  out:
+	__clear_bit(devidx, dev_use);
 	return ERR_PTR(ret);
 }