2 files changed, 1 insertions, 3 deletions

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 1030562d6e..a944eda4fa 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -209,8 +209,6 @@ extern void *set_except_vector(int n, void *addr);
 extern unsigned long ebase;
 extern void per_cpu_trap_init(void);
 
-extern int stop_a_enabled;
-
 /*
  * See include/asm-ia64/system.h; prevents deadlock on SMP
  * systems.
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 6a5203fb9c..9963f81fea 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -437,7 +437,7 @@ 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, port->info->tty);
+                        handle_sysrq(ch, port->info ? port->info->tty : NULL);
                         port->sysrq = 0;
                         return 1;
                 }