diff options
Diffstat (limited to 'net/can/isotp.c')
| -rw-r--r-- | net/can/isotp.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/net/can/isotp.c b/net/can/isotp.c index 253b24417c8e..f995eaef5d7b 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -221,8 +221,8 @@ static int isotp_send_fc(struct sock *sk, int ae, u8 flowstatus) can_send_ret = can_send(nskb, 1); if (can_send_ret) - pr_notice_once("can-isotp: %s: can_send_ret %d\n", - __func__, can_send_ret); + pr_notice_once("can-isotp: %s: can_send_ret %pe\n", + __func__, ERR_PTR(can_send_ret)); dev_put(dev); @@ -797,10 +797,12 @@ isotp_tx_burst: can_skb_set_owner(skb, sk); can_send_ret = can_send(skb, 1); - if (can_send_ret) - pr_notice_once("can-isotp: %s: can_send_ret %d\n", - __func__, can_send_ret); - + if (can_send_ret) { + pr_notice_once("can-isotp: %s: can_send_ret %pe\n", + __func__, ERR_PTR(can_send_ret)); + if (can_send_ret == -ENOBUFS) + pr_notice_once("can-isotp: tx queue is full, increasing txqueuelen may prevent this error\n"); + } if (so->tx.idx >= so->tx.len) { /* we are done */ so->tx.state = ISOTP_IDLE; @@ -946,8 +948,8 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) err = can_send(skb, 1); dev_put(dev); if (err) { - pr_notice_once("can-isotp: %s: can_send_ret %d\n", - __func__, err); + pr_notice_once("can-isotp: %s: can_send_ret %pe\n", + __func__, ERR_PTR(err)); return err; } @@ -1450,7 +1452,7 @@ static __init int isotp_module_init(void) err = can_proto_register(&isotp_can_proto); if (err < 0) - pr_err("can: registration of isotp protocol failed\n"); + pr_err("can: registration of isotp protocol failed %pe\n", ERR_PTR(err)); return err; } |