diff options
Diffstat (limited to 'net/can')
| -rw-r--r-- | net/can/Kconfig | 3 | ||||
| -rw-r--r-- | net/can/isotp.c | 14 |
2 files changed, 9 insertions, 8 deletions
diff --git a/net/can/Kconfig b/net/can/Kconfig index 021fe03a8ed6..224e5e0283a9 100644 --- a/net/can/Kconfig +++ b/net/can/Kconfig @@ -57,7 +57,6 @@ source "net/can/j1939/Kconfig" config CAN_ISOTP tristate "ISO 15765-2:2016 CAN transport protocol" - default y help CAN Transport Protocols offer support for segmented Point-to-Point communication between CAN nodes via two defined CAN Identifiers. @@ -67,6 +66,8 @@ config CAN_ISOTP vehicle diagnosis (UDS, ISO 14229) or IP-over-CAN traffic. This protocol driver implements data transfers according to ISO 15765-2:2016 for 'classic' CAN and CAN FD frame types. + If you want to perform automotive vehicle diagnostic services (UDS), + say 'y'. source "drivers/net/can/Kconfig" diff --git a/net/can/isotp.c b/net/can/isotp.c index e6ff032b5426..ca63061bb932 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -222,8 +222,8 @@ static int isotp_send_fc(struct sock *sk, int ae, u8 flowstatus) can_send_ret = can_send(nskb, 1); if (can_send_ret) - printk_once(KERN_NOTICE "can-isotp: %s: can_send_ret %d\n", - __func__, can_send_ret); + pr_notice_once("can-isotp: %s: can_send_ret %d\n", + __func__, can_send_ret); dev_put(dev); @@ -769,7 +769,7 @@ static enum hrtimer_restart isotp_tx_timer_handler(struct hrtimer *hrtimer) isotp_tx_burst: skb = alloc_skb(so->ll.mtu + sizeof(struct can_skb_priv), - gfp_any()); + GFP_ATOMIC); if (!skb) { dev_put(dev); break; @@ -798,8 +798,8 @@ isotp_tx_burst: can_send_ret = can_send(skb, 1); if (can_send_ret) - printk_once(KERN_NOTICE "can-isotp: %s: can_send_ret %d\n", - __func__, can_send_ret); + pr_notice_once("can-isotp: %s: can_send_ret %d\n", + __func__, can_send_ret); if (so->tx.idx >= so->tx.len) { /* we are done */ @@ -942,8 +942,8 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) err = can_send(skb, 1); dev_put(dev); if (err) { - printk_once(KERN_NOTICE "can-isotp: %s: can_send_ret %d\n", - __func__, err); + pr_notice_once("can-isotp: %s: can_send_ret %d\n", + __func__, err); return err; } |