Found by clang-check: icmp/icmp_recvfrom.c:374:30: warning: Dereference of null pointer (loaded from variable 'fromlen') if (fromlen == NULL && *fromlen < sizeof(struct sockaddr_in)) ^~~~~~~~ 1 warning generated.
Found by clang-check: icmp/icmp_recvfrom.c:374:30: warning: Dereference of null pointer (loaded from variable 'fromlen') if (fromlen == NULL && *fromlen < sizeof(struct sockaddr_in)) ^~~~~~~~ 1 warning generated.