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authorAl Viro <viro@zeniv.linux.org.uk>2014-04-06 21:25:44 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-11-24 04:28:48 -0500
commit6ce8e9ce5989ae13f493062975304700be86d20e (patch)
treeb714f34723d37ccd90bb5350555cbfe9dc8b9abe /net/can
parent227158db160449b6513d2e31894a135104b90e90 (diff)
new helper: memcpy_from_msg()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/can')
-rw-r--r--net/can/bcm.c19
-rw-r--r--net/can/raw.c2
2 files changed, 9 insertions, 12 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c
index dcb75c0e66c1..b9a1f715df18 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -858,8 +858,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
/* update can_frames content */
for (i = 0; i < msg_head->nframes; i++) {
- err = memcpy_fromiovec((u8 *)&op->frames[i],
- msg->msg_iov, CFSIZ);
+ err = memcpy_from_msg((u8 *)&op->frames[i], msg, CFSIZ);
if (op->frames[i].can_dlc > 8)
err = -EINVAL;
@@ -894,8 +893,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
op->frames = &op->sframe;
for (i = 0; i < msg_head->nframes; i++) {
- err = memcpy_fromiovec((u8 *)&op->frames[i],
- msg->msg_iov, CFSIZ);
+ err = memcpy_from_msg((u8 *)&op->frames[i], msg, CFSIZ);
if (op->frames[i].can_dlc > 8)
err = -EINVAL;
@@ -1024,9 +1022,8 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
if (msg_head->nframes) {
/* update can_frames content */
- err = memcpy_fromiovec((u8 *)op->frames,
- msg->msg_iov,
- msg_head->nframes * CFSIZ);
+ err = memcpy_from_msg((u8 *)op->frames, msg,
+ msg_head->nframes * CFSIZ);
if (err < 0)
return err;
@@ -1072,8 +1069,8 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
}
if (msg_head->nframes) {
- err = memcpy_fromiovec((u8 *)op->frames, msg->msg_iov,
- msg_head->nframes * CFSIZ);
+ err = memcpy_from_msg((u8 *)op->frames, msg,
+ msg_head->nframes * CFSIZ);
if (err < 0) {
if (op->frames != &op->sframe)
kfree(op->frames);
@@ -1209,7 +1206,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk)
can_skb_reserve(skb);
- err = memcpy_fromiovec(skb_put(skb, CFSIZ), msg->msg_iov, CFSIZ);
+ err = memcpy_from_msg(skb_put(skb, CFSIZ), msg, CFSIZ);
if (err < 0) {
kfree_skb(skb);
return err;
@@ -1285,7 +1282,7 @@ static int bcm_sendmsg(struct kiocb *iocb, struct socket *sock,
/* read message head information */
- ret = memcpy_fromiovec((u8 *)&msg_head, msg->msg_iov, MHSIZ);
+ ret = memcpy_from_msg((u8 *)&msg_head, msg, MHSIZ);
if (ret < 0)
return ret;
diff --git a/net/can/raw.c b/net/can/raw.c
index 081e81fd017f..0e4004fb6876 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -703,7 +703,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock,
can_skb_reserve(skb);
can_skb_prv(skb)->ifindex = dev->ifindex;
- err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
+ err = memcpy_from_msg(skb_put(skb, size), msg, size);
if (err < 0)
goto free_skb;

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