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-rw-r--r--drivers/mmc/card/block.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 85f0e8c..5988573 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -85,7 +85,12 @@ static void mmc_blk_put(struct mmc_blk_data *md)
mutex_lock(&open_lock);
md->usage--;
if (md->usage == 0) {
+ int devmaj = MAJOR(disk_devt(md->disk));
int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT;
+
+ if (!devmaj)
+ devidx = md->disk->first_minor >> MMC_SHIFT;
+
__clear_bit(devidx, dev_use);
put_disk(md->disk);
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