Issue uevents for global rfkill state changes.
Signed-off-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Cc: Ivo van Doorn <IvDoorn@xxxxxxxxx>
---
net/rfkill/rfkill.c | 39 +++++++++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 901e6c2..2f23cf7 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -56,6 +56,8 @@ static unsigned long rfkill_states_lockdflt[BITS_TO_LONGS(RFKILL_TYPE_MAX)];
static bool rfkill_epo_lock_active;
static void rfkill_uevent(struct rfkill *rfkill);
+static void rfkill_global_uevent(enum rfkill_type type,
+ enum rfkill_state state);
#ifdef CONFIG_RFKILL_LEDS
static void rfkill_led_trigger(struct rfkill *rfkill,
@@ -188,6 +190,7 @@ static void __rfkill_switch_all(const enum rfkill_type type,
mutex_unlock(&rfkill->mutex);
}
}
+ rfkill_global_uevent(type, state);
}
/**
@@ -1238,6 +1241,42 @@ static struct platform_driver rfkill_pdrv = {
.owner = THIS_MODULE,
},
};
+
+/*
+ * Global rfkill uevents
+ */
+
+static void rfkill_global_uevent(enum rfkill_type type,
+ enum rfkill_state state)
+{
+ struct kobj_uevent_env *env;
+
+ env = kzalloc(sizeof(*env), GFP_KERNEL);
+ if (WARN(!env, "rfkill: out of memory while trying to issue "
+ "RFKILL_GLOBAL_STATE_CHANGED uevent for type "
+ "%u\n", type))
+ return;
+
+ if (add_uevent_var(env, "RFKILL_GLOBAL_TYPE=%s",
+ rfkill_get_type_str(type)) ||
+ add_uevent_var(env, "RFKILL_GLOBAL_STATE=%d",
+ state))
+ goto err_exit;
+
+ kobject_uevent_env(&rfkill_pdev->dev.kobj, KOBJ_CHANGE,
+ (char **)&env->envp);
+ kfree(env);
+ return;
+
+err_exit:
+ WARN(1, "rfkill: failed to build uevent RFKILL_GLOBAL_STATE_CHANGED "
+ "data structures for type %u\n", type);
+ kfree(env);
+ return;
+}
+#else
+static void rfkill_global_uevent(enum rfkill_type type,
+ enum rfkill_state state) {};
#endif /* CONFIG_RFKILL_GLOBAL_UAPI && !CONFIG_RFKILL_NO_CORE_UAPI */
/*
--
1.6.2.1
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