diff options
Diffstat (limited to 'module')
| -rw-r--r-- | module/elmcan.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/module/elmcan.c b/module/elmcan.c index fee83c5..854ff59 100644 --- a/module/elmcan.c +++ b/module/elmcan.c @@ -173,6 +173,7 @@ static void elm327_send(struct elmcan *elm, const void *buf, size_t len) if (actual < 0) { netdev_err(elm->dev, "Failed to write to tty %s.\n", elm->tty->name); elm327_hw_failure(elm); + return; } elm->txleft = len - actual; @@ -678,6 +679,7 @@ static void elm327_parse_rxbuf(struct elmcan *elm) */ pr_err("RX buffer overflow. Faulty ELM327 connected?\n"); elm327_hw_failure(elm); + return; } else if (len == elm->rxfill) { if (elm->state == ELM_RECEIVING && elm->rxbuf[elm->rxfill - 1] == ELM327_READY_CHAR) { @@ -983,6 +985,8 @@ static void elmcan_ldisc_tx_worker(struct work_struct *work) if (actual < 0) { netdev_err(elm->dev, "Failed to write to tty %s.\n", elm->tty->name); elm327_hw_failure(elm); + spin_unlock_bh(&elm->lock); + return; } elm->txleft -= actual; |