btrfs: rename err to ret in btrfs_drop_snapshot()

Drop the variable 'err', reuse the variable 'ret' by reinitializing it to
zero where necessary.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2024-03-19 20:25:32 +05:30 • committed by David Sterba
commit ca8ba2ccdc