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authorOliver Hartkopp <socketcan@hartkopp.net>2016-06-17 15:35:25 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2016-06-17 15:39:45 +0200
commit72c8a89ad2e4de18849674f30589baa5ebb4fbc1 (patch)
tree753a4210fef608c9c9a8bbde0ef964ba9928758f /net/can/bcm.c
parent95acb490ec5145015b64cf4e99f604bb5fe79250 (diff)
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can: bcm: use CAN frame instead of can_frame in comments
can_frame is the name of the struct can_frame which is not meant in the corrected comments. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'net/can/bcm.c')
-rw-r--r--net/can/bcm.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 17fb7967f8ca..83aa6cf61de9 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -84,7 +84,7 @@ MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Oliver Hartkopp <oliver.hartkopp@volkswagen.de>");
MODULE_ALIAS("can-proto-2");
-/* easy access to can_frame payload */
+/* easy access to CAN frame payload */
static inline u64 GET_U64(const struct can_frame *cp)
{
return *(u64 *)cp->data;
@@ -305,13 +305,13 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head,
memcpy(skb_put(skb, sizeof(*head)), head, sizeof(*head));
if (head->nframes) {
- /* can_frames starting here */
+ /* CAN frames starting here */
firstframe = (struct can_frame *)skb_tail_pointer(skb);
memcpy(skb_put(skb, datalen), frames, datalen);
/*
- * the BCM uses the can_dlc-element of the can_frame
+ * the BCM uses the can_dlc-element of the CAN frame
* structure for internal purposes. This is only
* relevant for updates that are generated by the
* BCM, where nframes is 1
@@ -492,7 +492,7 @@ static void bcm_rx_cmp_to_index(struct bcm_op *op, unsigned int index,
return;
}
- /* do a real check in can_frame data section */
+ /* do a real check in CAN frame data section */
if ((GET_U64(&op->frames[index]) & GET_U64(rxdata)) !=
(GET_U64(&op->frames[index]) & GET_U64(&op->last_frames[index]))) {
@@ -501,7 +501,7 @@ static void bcm_rx_cmp_to_index(struct bcm_op *op, unsigned int index,
}
if (op->flags & RX_CHECK_DLC) {
- /* do a real check in can_frame dlc */
+ /* do a real check in CAN frame dlc */
if (rxdata->can_dlc != (op->last_frames[index].can_dlc &
BCM_CAN_DLC_MASK)) {
bcm_rx_update_and_send(op, &op->last_frames[index],
@@ -554,7 +554,7 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer)
/* if user wants to be informed, when cyclic CAN-Messages come back */
if ((op->flags & RX_ANNOUNCE_RESUME) && op->last_frames) {
- /* clear received can_frames to indicate 'nothing received' */
+ /* clear received CAN frames to indicate 'nothing received' */
memset(op->last_frames, 0, op->nframes * CFSIZ);
}
@@ -840,7 +840,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
if (!ifindex)
return -ENODEV;
- /* check nframes boundaries - we need at least one can_frame */
+ /* check nframes boundaries - we need at least one CAN frame */
if (msg_head->nframes < 1 || msg_head->nframes > MAX_NFRAMES)
return -EINVAL;
@@ -851,14 +851,14 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
/* update existing BCM operation */
/*
- * Do we need more space for the can_frames than currently
+ * Do we need more space for the CAN frames than currently
* allocated? -> This is a _really_ unusual use-case and
* therefore (complexity / locking) it is not supported.
*/
if (msg_head->nframes > op->nframes)
return -E2BIG;
- /* update can_frames content */
+ /* update CAN frames content */
for (i = 0; i < msg_head->nframes; i++) {
err = memcpy_from_msg((u8 *)&op->frames[i], msg, CFSIZ);
@@ -883,7 +883,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
op->can_id = msg_head->can_id;
- /* create array for can_frames and copy the data */
+ /* create array for CAN frames and copy the data */
if (msg_head->nframes > 1) {
op->frames = kmalloc(msg_head->nframes * CFSIZ,
GFP_KERNEL);
@@ -966,7 +966,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
if (op->flags & STARTTIMER) {
hrtimer_cancel(&op->timer);
- /* spec: send can_frame when starting timer */
+ /* spec: send CAN frame when starting timer */
op->flags |= TX_ANNOUNCE;
}
@@ -1015,7 +1015,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
/* update existing BCM operation */
/*
- * Do we need more space for the can_frames than currently
+ * Do we need more space for the CAN frames than currently
* allocated? -> This is a _really_ unusual use-case and
* therefore (complexity / locking) it is not supported.
*/
@@ -1023,7 +1023,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
return -E2BIG;
if (msg_head->nframes) {
- /* update can_frames content */
+ /* update CAN frames content */
err = memcpy_from_msg((u8 *)op->frames, msg,
msg_head->nframes * CFSIZ);
if (err < 0)
@@ -1048,7 +1048,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
op->nframes = msg_head->nframes;
if (msg_head->nframes > 1) {
- /* create array for can_frames and copy the data */
+ /* create array for CAN frames and copy the data */
op->frames = kmalloc(msg_head->nframes * CFSIZ,
GFP_KERNEL);
if (!op->frames) {
@@ -1056,7 +1056,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
return -ENOMEM;
}
- /* create and init array for received can_frames */
+ /* create and init array for received CAN frames */
op->last_frames = kzalloc(msg_head->nframes * CFSIZ,
GFP_KERNEL);
if (!op->last_frames) {
@@ -1327,7 +1327,7 @@ static int bcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
break;
case TX_SEND:
- /* we need exactly one can_frame behind the msg head */
+ /* we need exactly one CAN frame behind the msg head */
if ((msg_head.nframes != 1) || (size != CFSIZ + MHSIZ))
ret = -EINVAL;
else