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[Mellanox] Fix the memory leak in mlnx-sfpd (201807) #3131

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Jul 10, 2019
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[Mellanox] Fix the memory leak in mlnx-sfpd (201807) #3131

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48 changes: 26 additions & 22 deletions platform/mellanox/mlnx-sfpd/scripts/mlnx-sfpd
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Original file line number Diff line number Diff line change
Expand Up @@ -79,38 +79,42 @@ def sx_recv(fd_p, handle):
pkt = new_uint8_t_arr(pkt_size)
recv_info_p = new_sx_receive_info_t_p()
pmpe_t = sx_event_pmpe_t()
logical_port_list = new_sx_port_log_id_t_arr(4)
port_attributes_list = new_sx_port_attributes_t_arr(64)
port_cnt_p = new_uint32_t_p()
uint32_t_p_assign(port_cnt_p,64)
label_port_list = []
status = True
module_state = 0

rc = sx_lib_host_ifc_recv(fd_p, pkt, pkt_size_p, recv_info_p)
if rc != 0:
log_error("event receive exit with error, rc %d" % rc)
status = False
return status, label_port_list, module_state

pmpe_t = recv_info_p.event_info.pmpe
port_list_size = pmpe_t.list_size
logical_port_list = pmpe_t.log_port_list
module_state = pmpe_t.module_state

for i in range(0, port_list_size):
logical_port = sx_port_log_id_t_arr_getitem(logical_port_list, i)
rc = sx_api_port_device_get(handle, 1 , 0, port_attributes_list, port_cnt_p)
port_cnt = uint32_t_p_value(port_cnt_p)

for i in range(0, port_cnt):
port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list,i)
if port_attributes.log_port == logical_port:
lable_port = port_attributes.port_mapping.module_port
break
label_port_list.append(lable_port)

return status, label_port_list, module_state,
else:
status = True
pmpe_t = recv_info_p.event_info.pmpe
port_list_size = pmpe_t.list_size
logical_port_list = pmpe_t.log_port_list
module_state = pmpe_t.module_state

for i in range(0, port_list_size):
logical_port = sx_port_log_id_t_arr_getitem(logical_port_list, i)
rc = sx_api_port_device_get(handle, 1 , 0, port_attributes_list, port_cnt_p)
port_cnt = uint32_t_p_value(port_cnt_p)

for i in range(0, port_cnt):
port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list,i)
if port_attributes.log_port == logical_port:
lable_port = port_attributes.port_mapping.module_port
break
label_port_list.append(lable_port)

delete_uint32_t_p(pkt_size_p)
delete_uint8_t_arr(pkt)
delete_sx_receive_info_t_p(recv_info_p)
delete_sx_port_attributes_t_arr(port_attributes_list)
delete_uint32_t_p(port_cnt_p)

return status, label_port_list, module_state

def send_sfp_notification(db, interface, state):
sfp_notify = [interface, state]
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