[PATCH 4.9 049/101] libceph: no need to drop con->mutex for ->get_authorizer()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Ilya Dryomov commit b3bbd3f2ab19c8ca319003b4b51ce4c4ca74da06 upstream. ->get_authorizer(), ->verify_authorizer_reply(), ->sign_message() and ->check_message_signature() shouldn't be doing

[PATCH 4.9 049/101] libceph: no need to drop con->mutex for ->get_authorizer()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Ilya Dryomov commit b3bbd3f2ab19c8ca319003b4b51ce4c4ca74da06 upstream. ->get_authorizer(), ->verify_authorizer_reply(), ->sign_message() and ->check_message_signature() shouldn't be doing