Fixed findings

List of Findings

Error: CPPCHECK_WARNING (CWE-457): [#def1]
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:202: error[uninitvar]: Uninitialized variable: if_hwaddr
#  200|   	}
#  201|   
#  202|-> 	strlcpy(if_hwaddr.ifr_name, netdev, IFNAMSIZ);
#  203|   	ioctl(sockfd, SIOCGIFHWADDR, &if_hwaddr);
#  204|   

Error: GCC_ANALYZER_WARNING (CWE-688): [#def2]
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:202:9: warning[-Wanalyzer-null-argument]: use of NULL ‘netdev’ where non-null expected
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:460:5: enter_function: entry to ‘net_setup_netdev_ipv6’
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:476:12: branch_false: following ‘false’ branch...
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:482:19: call_function: inlined call to ‘atoi’ from ‘net_setup_netdev_ipv6’
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:483:12: branch_true: following ‘true’ branch...
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:484:27: branch_true: ...to here
open-iscsi-4b3e853ab468a95d8a035efa8fc4298a6c6318a3/usr/iscsi_net_util.c:484:27: call_function: calling ‘find_vlan_dev’ from ‘net_setup_netdev_ipv6’
#  200|   	}
#  201|   
#  202|-> 	strlcpy(if_hwaddr.ifr_name, netdev, IFNAMSIZ);
#  203|   	ioctl(sockfd, SIOCGIFHWADDR, &if_hwaddr);
#  204|   

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