Now that zxdh is main branch, ran the PVS studio analyzer over it and reported many new warnings.

MESSAGES
Location	Code	Message
Fails/Info
zxdh_common.c (223)	V1032	The pointer 'recv_buf' is cast to a more strictly aligned pointer type.
zxdh_ethdev.c (816)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 813, 816.
zxdh_ethdev.c (866)	V560	A part of conditional expression is always false: rxmode->mq_mode != RTE_ETH_MQ_RX_NONE.
zxdh_ethdev.c (709)	V522	There might be dereferencing of a potential null pointer 'hdr_mz'.
zxdh_ethdev.c (724)	V522	There might be dereferencing of a potential null pointer 'txvq'.
zxdh_ethdev.c (651)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_ethdev.c (651)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_ethdev.c (1322)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_ethdev.c (107)	V1027	Pointer to an object of the 'rte_device' class is cast to unrelated 'rte_pci_device' class.
zxdh_ethdev.c (1188)	V1027	Pointer to an object of the 'rte_device' class is cast to unrelated 'rte_pci_device' class.
zxdh_ethdev.c (1452)	V1027	Pointer to an object of the 'rte_device' class is cast to unrelated 'rte_pci_device' class.
zxdh_ethdev_ops.c (723)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 721, 723.
zxdh_ethdev_ops.c (744)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 742, 744.
zxdh_ethdev_ops.c (769)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 767, 769.
zxdh_ethdev_ops.c (791)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 789, 791.
zxdh_ethdev_ops.c (818)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 816, 818.
zxdh_ethdev_ops.c (840)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 838, 840.
zxdh_ethdev_ops.c (1072)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1070, 1072.
zxdh_ethdev_ops.c (1090)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1088, 1090.
zxdh_ethdev_ops.c (1186)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1184, 1186.
zxdh_ethdev_ops.c (1212)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1210, 1212.
zxdh_ethdev_ops.c (357)	V526	The 'memcmp' function returns 0 if corresponding buffers are equal. Consider examining the condition for mistakes.
zxdh_ethdev_ops.c (1283)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The UNSIGNED integer type argument is expected.
zxdh_ethdev_ops.c (1485)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The UNSIGNED integer type argument is expected.
zxdh_ethdev_ops.c (1537)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The UNSIGNED integer type argument is expected.
zxdh_ethdev_ops.c (329)	V1048	The 'mac_filter->filter_flag' variable was assigned the same value.
zxdh_msg.c (203)	V547	Expression 'lock_id >= (511)' is always false.
zxdh_msg.c (463)	V557	Array overrun is possible. The value of 'dst_index' index could reach 255.
zxdh_msg.c (463)	V557	Array overrun is possible. The value of 'src_index' index could reach 255.
zxdh_msg.c (464)	V557	Array overrun is possible. The value of 'dst_index' index could reach 255.
zxdh_msg.c (464)	V557	Array overrun is possible. The value of 'src_index' index could reach 255.
zxdh_msg.c (579)	V1032	The pointer 'msg_header' is cast to a more strictly aligned pointer type.
zxdh_msg.c (592)	V1032	The pointer 'msg_header' is cast to a more strictly aligned pointer type.
zxdh_msg.c (664)	V1032	The pointer 'tmp_msg_header' is cast to a more strictly aligned pointer type.
zxdh_msg.c (397)	V1037	Two or more case-branches perform the same actions. Check lines: 397, 400
zxdh_msg.c (394)	V525	The code contains the collection of similar blocks. Check items '2', '1', '1', '0' in lines 394, 397, 400, 403.
zxdh_np.c (1068)	V614	Potentially uninitialized variable 'temp_idx' used.
zxdh_np.c (1524)	V785	Constant expression in switch statement.
zxdh_np.c (1925)	V1032	The pointer 'form_buff' is cast to a more strictly aligned pointer type.
zxdh_np.c (224)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (285)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (385)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (388)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (392)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (397)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (588)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (588)	V576	Incorrect format. Consider checking the seventh actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (588)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (604)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (714)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (714)	V576	Incorrect format. Consider checking the seventh actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (714)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (778)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (783)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (806)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (838)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (909)	V576	Incorrect format. Consider checking the seventh actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (949)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1158)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1166)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1317)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1326)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1326)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1438)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1623)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1672)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1738)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1761)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1766)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1812)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1812)	V576	Incorrect format. Consider checking the sixth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1832)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1877)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1911)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (2010)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (2040)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_np.c (1353)	V1048	The 'rc' variable was assigned the same value.
zxdh_np.c (1365)	V1048	The 'rc' variable was assigned the same value.
zxdh_np.c (2049)	V1051	Consider checking for misprints. It's possible that the 'ppu_eram_baddr' should be checked here.
zxdh_pci.c (181)	V519	The 'notify_off' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 180, 181.
zxdh_pci.c (422)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_queue.c (187)	V763	Parameter 'nb_desc' is always rewritten in function body before being used.
zxdh_queue.c (230)	V763	Parameter 'nb_desc' is always rewritten in function body before being used.
zxdh_queue.c (118)	V547	Expression 'queue_type == ZXDH_VTNET_TQ' is always true.
zxdh_queue.c (243)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The UNSIGNED integer type argument is expected.
zxdh_queue.h (305)	V1048	The 'vq->vq_packed.event_flags_shadow' variable was assigned the same value.
zxdh_tables.c (350)	V519	The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 341, 350.
zxdh_tables.c (58)	V547	Expression '!hw->is_pf' is always false.
zxdh_tables.c (64)	V547	Expression '!port_attr.rss_enable' is always true.
zxdh_tables.c (34)	V1032	The pointer 'port_attr' is cast to a more strictly aligned pointer type.
zxdh_tables.c (98)	V1032	The pointer '& port_attr' is cast to a more strictly aligned pointer type.
zxdh_tables.c (200)	V1032	The pointer 'port_attr' is cast to a more strictly aligned pointer type.
zxdh_tables.c (741)	V1032	The pointer '& rss_vqid' is cast to a more strictly aligned pointer type.
zxdh_tables.c (765)	V1032	The pointer '& rss_vqid' is cast to a more strictly aligned pointer type.
zxdh_tables.c (146)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The UNSIGNED integer type argument is expected.
zxdh_tables.c (289)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_tables.c (324)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.
zxdh_tables.c (353)	V576	Incorrect format. Consider checking the fifth actual argument of the 'rte_log' function. The SIGNED integer type argument is expected.