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path: root/drivers/usb/misc/rio500.c
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Diffstat (limited to 'drivers/usb/misc/rio500.c')
-rw-r--r--drivers/usb/misc/rio500.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index deb95bb49fd1..d645f3899fe1 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -32,6 +32,7 @@
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/errno.h>
#include <linux/random.h>
#include <linux/poll.h>