The original code dereferenced "msb" after freeing it.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c
index c815fe5..a8e8915 100644
--- a/drivers/memstick/core/ms_block.c
+++ b/drivers/memstick/core/ms_block.c
@@ -1983,9 +1983,9 @@ static int msb_disk_release(struct gendisk *disk)
msb->usage_count--;
if (!msb->usage_count) {
- kfree(msb);
disk->private_data = NULL;
idr_remove(&msb_disk_idr, msb->disk_id);
+ kfree(msb);
put_disk(disk);
}
}
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