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path: root/drivers/staging/vt6656/usbpipe.c
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Diffstat (limited to 'drivers/staging/vt6656/usbpipe.c')
-rw-r--r--drivers/staging/vt6656/usbpipe.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index eae211e5860f..91b62c3dff7b 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -207,7 +207,8 @@ static void vnt_int_process_data(struct vnt_private *priv)
priv->wake_up_count =
priv->hw->conf.listen_interval;
- --priv->wake_up_count;
+ if (priv->wake_up_count)
+ --priv->wake_up_count;
/* Turn on wake up to listen next beacon */
if (priv->wake_up_count == 1)