[SERIAL] Magic SysRq SAK does nothing on serial consoles

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index f9fdf97506ea..de2e68159d96 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -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;
                 }