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path: root/drivers/memstick
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-rw-r--r--drivers/memstick/core/mspro_block.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index d2d2318dafa4..82bf649ef138 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -197,7 +197,7 @@ static int mspro_block_bd_open(struct inode *inode, struct file *filp)
static int mspro_block_disk_release(struct gendisk *disk)
{
struct mspro_block_data *msb = disk->private_data;
- int disk_id = disk->first_minor >> MSPRO_BLOCK_PART_SHIFT;
+ int disk_id = MINOR(disk_devt(disk)) >> MSPRO_BLOCK_PART_SHIFT;
mutex_lock(&mspro_block_disk_lock);