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authorAl Viro <viro@zeniv.linux.org.uk>2014-11-24 16:42:55 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2014-12-09 22:29:03 +0100
commitc0371da6047abd261bc483c744dbc7d81a116172 (patch)
tree73b4d685f311a83e04f3a684ce18225b409b3f5f /drivers/net
parentvmci: propagate msghdr all way down to __qp_memcpy_from_queue() (diff)
downloadlinux-c0371da6047abd261bc483c744dbc7d81a116172.tar.xz
linux-c0371da6047abd261bc483c744dbc7d81a116172.zip
put iov_iter into msghdr
Note that the code _using_ ->msg_iter at that point will be very unhappy with anything other than unshifted iovec-backed iov_iter. We still need to convert users to proper primitives. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/macvtap.c8
-rw-r--r--drivers/net/tun.c8
2 files changed, 4 insertions, 12 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index ba1e5db2152e..2c157cced81f 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -1095,9 +1095,7 @@ static int macvtap_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *m, size_t total_len)
{
struct macvtap_queue *q = container_of(sock, struct macvtap_queue, sock);
- struct iov_iter from;
- iov_iter_init(&from, WRITE, m->msg_iov, m->msg_iovlen, total_len);
- return macvtap_get_user(q, m, &from, m->msg_flags & MSG_DONTWAIT);
+ return macvtap_get_user(q, m, &m->msg_iter, m->msg_flags & MSG_DONTWAIT);
}
static int macvtap_recvmsg(struct kiocb *iocb, struct socket *sock,
@@ -1105,12 +1103,10 @@ static int macvtap_recvmsg(struct kiocb *iocb, struct socket *sock,
int flags)
{
struct macvtap_queue *q = container_of(sock, struct macvtap_queue, sock);
- struct iov_iter to;
int ret;
if (flags & ~(MSG_DONTWAIT|MSG_TRUNC))
return -EINVAL;
- iov_iter_init(&to, READ, m->msg_iov, m->msg_iovlen, total_len);
- ret = macvtap_do_read(q, &to, flags & MSG_DONTWAIT);
+ ret = macvtap_do_read(q, &m->msg_iter, flags & MSG_DONTWAIT);
if (ret > total_len) {
m->msg_flags |= MSG_TRUNC;
ret = flags & MSG_TRUNC ? ret : total_len;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 9c58286b8a42..f3e992ed87ac 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1449,13 +1449,11 @@ static int tun_sendmsg(struct kiocb *iocb, struct socket *sock,
int ret;
struct tun_file *tfile = container_of(sock, struct tun_file, socket);
struct tun_struct *tun = __tun_get(tfile);
- struct iov_iter from;
if (!tun)
return -EBADFD;
- iov_iter_init(&from, WRITE, m->msg_iov, m->msg_iovlen, total_len);
- ret = tun_get_user(tun, tfile, m->msg_control, &from,
+ ret = tun_get_user(tun, tfile, m->msg_control, &m->msg_iter,
m->msg_flags & MSG_DONTWAIT);
tun_put(tun);
return ret;
@@ -1467,7 +1465,6 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
{
struct tun_file *tfile = container_of(sock, struct tun_file, socket);
struct tun_struct *tun = __tun_get(tfile);
- struct iov_iter to;
int ret;
if (!tun)
@@ -1482,8 +1479,7 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
SOL_PACKET, TUN_TX_TIMESTAMP);
goto out;
}
- iov_iter_init(&to, READ, m->msg_iov, m->msg_iovlen, total_len);
- ret = tun_do_read(tun, tfile, &to, flags & MSG_DONTWAIT);
+ ret = tun_do_read(tun, tfile, &m->msg_iter, flags & MSG_DONTWAIT);
if (ret > total_len) {
m->msg_flags |= MSG_TRUNC;
ret = flags & MSG_TRUNC ? ret : total_len;