From 7319b51324e28288818722e4e808edbdc0b764ea Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Mon, 10 Mar 2014 15:22:03 +0200 Subject: iwlwifi: dvm: take mutex when sending SYNC BT config command commit 82e5a649453a3cf23516277abb84273768a1592b upstream. There is a flow in which we send the host command in SYNC mode, but we don't take priv->mutex. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1046495 Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/iwlwifi/dvm/main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/iwlwifi') diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index ba1b1ea54252..ea7e70cb34f0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -252,13 +252,17 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, bt_runtime_config); + mutex_lock(&priv->mutex); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; + goto out; /* dont send host command if rf-kill is on */ if (!iwl_is_ready_rf(priv)) - return; + goto out; + iwlagn_send_advance_bt_config(priv); +out: + mutex_unlock(&priv->mutex); } static void iwl_bg_bt_full_concurrency(struct work_struct *work) -- cgit v1.2.3