diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/lustre/lnet/lnet/lib-socket.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c index 7d49d4865298..ed46aaca0ba3 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-socket.c +++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c @@ -314,19 +314,20 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout) long jiffies_left = timeout * msecs_to_jiffies(MSEC_PER_SEC); unsigned long then; struct timeval tv; + struct kvec iov = { + .iov_base = buffer, + .iov_len = nob + }; + struct msghdr msg = { + .msg_flags = 0 + }; LASSERT(nob > 0); LASSERT(jiffies_left > 0); - for (;;) { - struct kvec iov = { - .iov_base = buffer, - .iov_len = nob - }; - struct msghdr msg = { - .msg_flags = 0 - }; + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, nob); + for (;;) { /* Set receive timeout to remaining time */ jiffies_to_timeval(jiffies_left, &tv); rc = kernel_setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, @@ -338,7 +339,7 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout) } then = jiffies; - rc = kernel_recvmsg(sock, &msg, &iov, 1, nob, 0); + rc = sock_recvmsg(sock, &msg, 0); jiffies_left -= jiffies - then; if (rc < 0) @@ -347,10 +348,7 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout) if (!rc) return -ECONNRESET; - buffer = ((char *)buffer) + rc; - nob -= rc; - - if (!nob) + if (!msg_data_left(&msg)) return 0; if (jiffies_left <= 0) |