[SERIAL] Magic SysRq SAK does nothing on serial consoles
Simon Tatham [Mon, 25 Sep 2006 23:51:28 +0000 (16:51 -0700)]
Make sysrq-K work on serial console by passing in the tty.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/linux/serial_core.h

index f9fdf97..de2e681 100644 (file)
@@ -415,7 +415,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch,
 #ifdef SUPPORT_SYSRQ
        if (port->sysrq) {
                if (ch && time_before(jiffies, port->sysrq)) {
-                       handle_sysrq(ch, regs, NULL);
+                       handle_sysrq(ch, regs, port->info->tty);
                        port->sysrq = 0;
                        return 1;
                }