2 files changed, 6 insertions(+), 0 deletions(-)

M port/devns16552.c
M power/devduart.c

@@ 144,6 144,9 @@ ns16552setbaud(Uart *p, int rate)
 {
 	ulong brconst;
 
+	if(rate <= 0)
+		return;
+
 	brconst = (p->freq+8*rate-1)/(16*rate);
 
 	uartwrreg(p, Format, Dra);

@@ 630,6 630,9 @@ duartctl(Uart *p, char *cmd)
 	for(i = 0; i < 16 && qlen(p->oq); i++)
 		tsleep(&p->r, qlen, p->oq, 125);
 
+	if(strncmp(cmd, "break", 5) == 0)
+		cmed += 4;
+
 	n = atoi(cmd+1);
 	switch(cmd[0]){
 	case 'B':