[PATCH] drivers/isdn/gigaset: reduce kernel message spam

Reduce the number of kernel messages the Gigaset drivers produce in case of an
excessively long device response, from one per character exceeding the limit
to one per overlong message.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index df988eb0e36fdd2bf6da36bba74cafd93f3cf6c8..8c0eb522dab14336d8c7140660146375bff03ad0 100644 (file)
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -921,6 +921,8 @@ static void cmd_loop(unsigned char *src, int numbytes, struct inbuf_t *inbuf)
                        /* end of line */
                        gig_dbg(DEBUG_TRANSCMD, "%s: End of Command (%d Bytes)",
                                __func__, cbytes);
+                       if (cbytes >= MAX_RESP_SIZE - 1)
+                               dev_warn(cs->dev, "response too large\n");
                        cs->cbytes = cbytes;
                        gigaset_handle_modem_response(cs);
                        cbytes = 0;
@@ -929,8 +931,6 @@ static void cmd_loop(unsigned char *src, int numbytes, struct inbuf_t *inbuf)
                        /* advance in line buffer, checking for overflow */
                        if (cbytes < MAX_RESP_SIZE - 1)
                                cbytes++;
-                       else
-                               dev_warn(cs->dev, "response too large\n");
                }
        }