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path: root/drivers/net/wireless/rtl8187.h
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Diffstat (limited to 'drivers/net/wireless/rtl8187.h')
-rw-r--r--drivers/net/wireless/rtl8187.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtl8187.h b/drivers/net/wireless/rtl8187.h
index 1b0d750f662..5a9515c9996 100644
--- a/drivers/net/wireless/rtl8187.h
+++ b/drivers/net/wireless/rtl8187.h
@@ -94,6 +94,10 @@ struct rtl8187_priv {
const struct rtl818x_rf_ops *rf;
struct ieee80211_vif *vif;
int mode;
+ /* The mutex protects the TX loopback state.
+ * Any attempt to set channels concurrently locks the device.
+ */
+ struct mutex conf_mutex;
/* rtl8187 specific */
struct ieee80211_channel channels[14];