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authorDavid S. Miller <davem@davemloft.net>2005-10-10 23:43:22 -0400
committerDavid S. Miller <davem@davemloft.net>2005-10-10 23:43:22 -0400
commitb8df110fea555d5088bba67f446c2435104405be (patch)
tree1bb8dfc1a6eadcab3e6df99aff4ae6cde38e94b4 /drivers
parent907a42617970a159361f17ef9a63f04d276995ab (diff)
[SPARC64]: Fix oops on runlevel change with serial console.
Incorrect uart_write_wakeup() calls cause reference to a NULL tty pointer in sunsab and sunzilog serial drivers. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/serial/sunsab.c1
-rw-r--r--drivers/serial/sunzilog.c5
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index e971156daa60..ba9381fd3f2d 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -274,7 +274,6 @@ static void transmit_chars(struct uart_sunsab_port *up,
274 if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) { 274 if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
275 up->interrupt_mask1 |= SAB82532_IMR1_XPR; 275 up->interrupt_mask1 |= SAB82532_IMR1_XPR;
276 writeb(up->interrupt_mask1, &up->regs->w.imr1); 276 writeb(up->interrupt_mask1, &up->regs->w.imr1);
277 uart_write_wakeup(&up->port);
278 return; 277 return;
279 } 278 }
280 279
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index d75445738c88..7653d6cf05af 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -517,10 +517,9 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up,
517 if (up->port.info == NULL) 517 if (up->port.info == NULL)
518 goto ack_tx_int; 518 goto ack_tx_int;
519 xmit = &up->port.info->xmit; 519 xmit = &up->port.info->xmit;
520 if (uart_circ_empty(xmit)) { 520 if (uart_circ_empty(xmit))
521 uart_write_wakeup(&up->port);
522 goto ack_tx_int; 521 goto ack_tx_int;
523 } 522
524 if (uart_tx_stopped(&up->port)) 523 if (uart_tx_stopped(&up->port))
525 goto ack_tx_int; 524 goto ack_tx_int;
526 525