Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d63d271c authored by Al Viro's avatar Al Viro
Browse files

smc: switch to sock_recvmsg() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 7edffd25

net/smc/smc_clc.c

+10 −8
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, 
	struct smc_clc_msg_hdr *clcm = buf;

	struct msghdr msg = {NULL, 0};

	int reason_code = 0;

	struct kvec vec;

	struct kvec vec = {buf, buflen};

	int len, datlen;

	int krflags;
@@ -43,12 +43,15 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, 
	 * so we don't consume any subsequent CLC message or payload data

	 * in the TCP byte stream

	 */

	vec.iov_base = buf;

	vec.iov_len = buflen;

	/*

	 * Caller must make sure that buflen is no less than

	 * sizeof(struct smc_clc_msg_hdr)

	 */

	krflags = MSG_PEEK | MSG_WAITALL;

	smc->clcsock->sk->sk_rcvtimeo = CLC_WAIT_TIME;

	len = kernel_recvmsg(smc->clcsock, &msg, &vec, 1,

			     sizeof(struct smc_clc_msg_hdr), krflags);

	iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1,

			sizeof(struct smc_clc_msg_hdr));

	len = sock_recvmsg(smc->clcsock, &msg, krflags);

	if (signal_pending(current)) {

		reason_code = -EINTR;

		clc_sk->sk_err = EINTR;
@@ -83,12 +86,11 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, 
	}



	/* receive the complete CLC message */

	vec.iov_base = buf;

	vec.iov_len = buflen;

	memset(&msg, 0, sizeof(struct msghdr));

	iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1, buflen);

	krflags = MSG_WAITALL;

	smc->clcsock->sk->sk_rcvtimeo = CLC_WAIT_TIME;

	len = kernel_recvmsg(smc->clcsock, &msg, &vec, 1, datlen, krflags);

	len = sock_recvmsg(smc->clcsock, &msg, krflags);

	if (len < datlen) {

		smc->sk.sk_err = EPROTO;

		reason_code = -EPROTO;