3775 			      int opsize)  in smc_parse_options()  argument
3779 		if (th->syn && !(opsize & 1) &&  in smc_parse_options()
3780 		    opsize >= TCPOLEN_EXP_SMC_BASE &&  in smc_parse_options()
3798 		int opsize;  in tcp_parse_mss_option()  local
3809 			opsize = *ptr++;  in tcp_parse_mss_option()
3810 			if (opsize < 2) /* "silly options" */  in tcp_parse_mss_option()
3812 			if (opsize > length)  in tcp_parse_mss_option()
3814 			if (opcode == TCPOPT_MSS && opsize == TCPOLEN_MSS) {  in tcp_parse_mss_option()
3823 			ptr += opsize - 2;  in tcp_parse_mss_option()
3824 			length -= opsize;  in tcp_parse_mss_option()
3848 		int opsize;  in tcp_parse_options()  local
3859 			opsize = *ptr++;  in tcp_parse_options()
3860 			if (opsize < 2) /* "silly options" */  in tcp_parse_options()
3862 			if (opsize > length)  in tcp_parse_options()
3866 				if (opsize == TCPOLEN_MSS && th->syn && !estab) {  in tcp_parse_options()
3877 				if (opsize == TCPOLEN_WINDOW && th->syn &&  in tcp_parse_options()
3892 				if ((opsize == TCPOLEN_TIMESTAMP) &&  in tcp_parse_options()
3901 				if (opsize == TCPOLEN_SACK_PERM && th->syn &&  in tcp_parse_options()
3909 				if ((opsize >= (TCPOLEN_SACK_BASE + TCPOLEN_SACK_PERBLOCK)) &&  in tcp_parse_options()
3910 				   !((opsize - TCPOLEN_SACK_BASE) % TCPOLEN_SACK_PERBLOCK) &&  in tcp_parse_options()
3925 					opsize - TCPOLEN_FASTOPEN_BASE,  in tcp_parse_options()
3933 				if (opsize >= TCPOLEN_EXP_FASTOPEN_BASE &&  in tcp_parse_options()
3936 					tcp_parse_fastopen_option(opsize -  in tcp_parse_options()
3941 							  opsize);  in tcp_parse_options()
3945 			ptr += opsize-2;  in tcp_parse_options()
3946 			length -= opsize;  in tcp_parse_options()
4009 		int opsize;  in tcp_parse_md5sig_option()  local
4018 			opsize = *ptr++;  in tcp_parse_md5sig_option()
4019 			if (opsize < 2 || opsize > length)  in tcp_parse_md5sig_option()
4022 				return opsize == TCPOLEN_MD5SIG ? ptr : NULL;  in tcp_parse_md5sig_option()
4024 		ptr += opsize - 2;  in tcp_parse_md5sig_option()
4025 		length -= opsize;  in tcp_parse_md5sig_option()