From: Thomas Veerman <thomas@minix3.org>
Date: Mon, 24 Sep 2012 15:25:37 +0000 (+0000)
Subject: TTY: printer better diagnostics
X-Git-Tag: v3.2.1~306
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/dnssec-dsfromkey.html?a=commitdiff_plain;h=e61268c454d463940fcb2b318f68592186b1e0bc;p=minix.git

TTY: printer better diagnostics

.tell when a line is not initialized
.don't print when a request has failed, we use error codes for that
---

diff --git a/drivers/tty/rs232.c b/drivers/tty/rs232.c
index 65237f889..4a5813439 100644
--- a/drivers/tty/rs232.c
+++ b/drivers/tty/rs232.c
@@ -444,7 +444,9 @@ void rs_init(tty_t *tp)
    * for all requests on it from userland. (The kernel will use it.)
    */
   if(env_get_param(SERVARNAME, l, sizeof(l)-1) == OK && atoi(l) == line) {
-     return;
+	printf("TTY: not initializing rs232 line %d (in use by kernel)\n",
+		line);
+	return;
   }
 
   rs = tp->tty_priv = &rs_lines[line];
diff --git a/drivers/tty/tty.c b/drivers/tty/tty.c
index a42c0b40f..206498f57 100644
--- a/drivers/tty/tty.c
+++ b/drivers/tty/tty.c
@@ -258,8 +258,6 @@ int main(void)
 
 	/* If the device doesn't exist or is not configured return ENXIO. */
 	if (tp == NULL || ! tty_active(tp)) {
-		printf("Warning, TTY got illegal request %d from %d\n",
-			tty_mess.m_type, tty_mess.m_source);
 		if (tty_mess.m_source != LOG_PROC_NR)
 		{
 			tty_reply(TASK_REPLY, tty_mess.m_source,