net/ipv4/tcp_output.c:3709: warning: No description found for return value of 'tcp_make_synack'
Error: Cannot open file net/smc/smc_ops.c
Error: Cannot open file net/smc/smc_ops.h
net/ipv4/tcp_output.c:3716: warning: No description found for return value of 'tcp_make_synack'