[Coverity CID :206608] Dereference null return value in tests/net/icmpv4/src/main.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/c9a2a5e7fb0194bfb168f5aa1a0a83c73f62acb3/tests/net/icmpv4/src/main.c#L184

Category: Null pointer dereferences
Function: test_icmpv4
Component: Tests
CID: 206608

Details:

178    
179         /* ================ Echo Request ================= */
180         net_icmpv4_register_handler(&echo_req_handler);
181    
182         pkt = net_pkt_alloc_with_buffer(NULL, sizeof(icmpv4_echo_req),
183                         AF_UNSPEC, 0, K_SECONDS(1));
>>>     CID 206608:  Null pointer dereferences  (NULL_RETURNS)
>>>     Dereferencing a pointer that might be "NULL" "pkt" when calling "net_pkt_set_ip_hdr_len".
184         net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv4_hdr));
185    
186         zassert_not_null(pkt, "Allocation failed");
187    
188         net_pkt_write(pkt, icmpv4_echo_req, sizeof(icmpv4_echo_req));
189    

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v32951/p12996.

Note: This issue was created automatically. Priority was set based on classification
of the file affected and the impact field in coverity. Assignees were set using the CODEOWNERS file.