Don't leak a ->bd_part_count when the partition open fails with -ENXIO.
Signed-off-by: Peter Zijlstra <[email protected]>
---
fs/block_dev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: linux-2.6-mm/fs/block_dev.c
===================================================================
--- linux-2.6-mm.orig/fs/block_dev.c
+++ linux-2.6-mm/fs/block_dev.c
@@ -907,6 +907,7 @@ EXPORT_SYMBOL(bd_set_size);
static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
int for_part);
+static int __blkdev_put(struct block_device *bdev, int for_part);
static int do_open(struct block_device *bdev, struct file *file, int for_part)
{
@@ -992,7 +993,7 @@ out_first:
bdev->bd_disk = NULL;
bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info;
if (bdev != bdev->bd_contains)
- blkdev_put(bdev->bd_contains);
+ __blkdev_put(bdev->bd_contains, 1);
bdev->bd_contains = NULL;
put_disk(disk);
module_put(owner);
-
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