2 files changed, 25 insertions, 0 deletions

diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 7c116f6631b8..ee3eddea8568 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -261,6 +261,13 @@ void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw);
  *      registered drivers?
  */
 void rfkill_set_global_sw_state(const enum rfkill_type type, bool blocked);
+
+/**
+ * rfkill_blocked - query rfkill block
+ *
+ * @rfkill: rfkill struct to query
+ */
+bool rfkill_blocked(struct rfkill *rfkill);
 #else /* !RFKILL */
 static inline struct rfkill * __must_check
 rfkill_alloc(const char *name,
@@ -313,6 +320,11 @@ static inline void rfkill_set_global_sw_state(const enum rfkill_type type,
                                               bool blocked)
 {
 }
+
+static inline bool rfkill_blocked(struct rfkill *rfkill)
+{
+        return false;
+}
 #endif /* RFKILL || RFKILL_MODULE */
 
 
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 2230aa6b14f3..91e9168b5447 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -773,6 +773,19 @@ static struct class rfkill_class = {
         .resume         = rfkill_resume,
 };
 
+bool rfkill_blocked(struct rfkill *rfkill)
+{
+        unsigned long flags;
+        u32 state;
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        state = rfkill->state;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        return !!(state & RFKILL_BLOCK_ANY);
+}
+EXPORT_SYMBOL(rfkill_blocked);
+
 
 struct rfkill * __must_check rfkill_alloc(const char *name,
                                           struct device *parent,