headers: smp_lock.h redux

[linux-block.git] / drivers / char / mxser.c

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 52d953eb30c3d6872eb6e4d3b3710ba7578e272c..dbf8d52f31d02d743b0436abcc871104bdf7e588 100644 (file)
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -23,6 +23,7 @@
 #include <linux/errno.h>
 #include <linux/signal.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/timer.h>
 #include <linux/interrupt.h>
 #include <linux/tty.h>