[ 35/70] dm thin: fix memory leak in process_prepared_mapping error paths

3.2-stable review patch. If anyone has any objections, please let me know. -- From: Joe Thornber commit 905386f82d08f66726912f303f3e6605248c60a3 upstream. Fix memory leak in process_prepared_mapping by always freeing the dm_thin_new_mapping structs from the mapping_pool

[ 35/70] dm thin: fix memory leak in process_prepared_mapping error paths

3.2-stable review patch. If anyone has any objections, please let me know. -- From: Joe Thornber e...@redhat.com commit 905386f82d08f66726912f303f3e6605248c60a3 upstream. Fix memory leak in process_prepared_mapping by always freeing the dm_thin_new_mapping structs from the