1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 7fc38217d76..6d71f51ef54 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -203,6 +203,17 @@ static void iwl_rx_queue_restock(struct iwl_trans *trans)
         struct iwl_rx_mem_buffer *rxb;
         unsigned long flags;
 
+        /*
+         * If the device isn't enabled - not need to try to add buffers...
+         * This can happen when we stop the device and still have an interrupt
+         * pending. We stop the APM before we sync the interrupts / tasklets
+         * because we have to (see comment there). On the other hand, since
+         * the APM is stopped, we cannot access the HW (in particular not prph).
+         * So don't try to restock if the APM has been already stopped.
+         */
+        if (!test_bit(STATUS_DEVICE_ENABLED, &trans_pcie->status))
+                return;
+
         spin_lock_irqsave(&rxq->lock, flags);
         while ((iwl_rx_queue_space(rxq) > 0) && (rxq->free_count)) {
                 /* The overwritten rxb must be a used one */