Rename elm327_panic() to elm327_hw_failure() to avoid confusion

[elmcan.git] / module / elmcan.c

diff --git a/module/elmcan.c b/module/elmcan.c
index cde48caaf330062c3859828594ebc522ed62e55f..978a8f1b8bacd2ffa133ba9aeda5dfd8f45c1737 100644 (file)
--- a/module/elmcan.c
+++ b/module/elmcan.c
@@ -137,7 +137,7 @@ struct elmcan {
 static DEFINE_SPINLOCK(elmcan_discdata_lock);
 
 
-static inline void elm327_panic(struct elmcan *elm);
+static inline void elm327_hw_failure(struct elmcan *elm);
 
 
 
@@ -165,7 +165,7 @@ static void elm327_send(struct elmcan *elm, const void *buf, size_t len)
        actual = elm->tty->ops->write(elm->tty, elm->txbuf, len);
        if (actual < 0) {
                pr_err("Failed to write to tty for %s.\n", elm->dev->name);
-               elm327_panic(elm);
+               elm327_hw_failure(elm);
        }
 
        elm->txleft = len - actual;
@@ -319,12 +319,13 @@ static void elm327_feed_frame_to_netdev(struct elmcan *elm, const struct can_fra
 
 
  /************************************************************************
-  *            ELM327: Panic handler                           *
+  *            ELM327: "Panic" handler                         *
   *                                                            *
   * (assumes elm->lock taken)                                  *
   ************************************************************************/
 
-static inline void elm327_panic(struct elmcan *elm)
+/* Called when we're out of ideas and just want it all to end. */
+static inline void elm327_hw_failure(struct elmcan *elm)
 {
        struct can_frame frame = {0};
 
@@ -665,7 +666,7 @@ static void elm327_parse_rxbuf(struct elmcan *elm)
                         * Did we even connect at the right baud rate?
                         */
                        pr_err("RX buffer overflow. Faulty ELM327 connected?\n");
-                       elm327_panic(elm);
+                       elm327_hw_failure(elm);
                } else if (len == elm->rxfill) {
                        if (elm->state == ELM_RECEIVING
                                && elm->rxbuf[elm->rxfill - 1] == ELM327_READY_CHAR) {
@@ -904,7 +905,7 @@ static void elmcan_ldisc_rx(struct tty_struct *tty,
                        pr_err("Error in received character stream. Check your wiring.");
 
                        spin_lock_bh(&elm->lock);
-                       elm327_panic(elm);
+                       elm327_hw_failure(elm);
                        spin_unlock_bh(&elm->lock);
 
                        put_elm(elm);
@@ -920,7 +921,7 @@ static void elmcan_ldisc_rx(struct tty_struct *tty,
                pr_err("Receive buffer overflowed. Bad chip or wiring?");
 
                spin_lock_bh(&elm->lock);
-               elm327_panic(elm);
+               elm327_hw_failure(elm);
                spin_unlock_bh(&elm->lock);
 
                put_elm(elm);
@@ -966,7 +967,7 @@ static void elmcan_ldisc_tx_worker(struct work_struct *work)
        actual = elm->tty->ops->write(elm->tty, elm->txhead, elm->txleft);
        if (actual < 0) {
                pr_err("Failed to write to tty for %s.\n", elm->dev->name);
-               elm327_panic(elm);
+               elm327_hw_failure(elm);
        }
 
        elm->txleft -= actual;