| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 06/51] Btrfs: fix em leak in find_first_block_group | Date | Tue, 15 Jan 2019 17:35:02 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Josef Bacik <jbacik@fb.com>
commit 187ee58c62c1d0d238d3dc4835869d33e1869906 upstream.
We need to call free_extent_map() on the em we look up.
Signed-off-by: Josef Bacik <jbacik@fb.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Chris Mason <clm@fb.com> Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/btrfs/extent-tree.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -9518,6 +9518,7 @@ static int find_first_block_group(struct } else { ret = 0; } + free_extent_map(em); goto out; } path->slots[0]++;
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