mwifiex: check mwifiex_wmm_lists_empty() before dequeue

add checks to mwifiex_wmm_process_tx() loop so it doesn't re-enter
mwifiex_dequeue_tx_packet() to find it can't send.

Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index f3d5f23c91d1..784ad4c00995 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -1254,5 +1254,5 @@ mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter)
 
                 if (mwifiex_dequeue_tx_packet(adapter))
                         break;
-        } while (true);
+        } while (!mwifiex_wmm_lists_empty(adapter));
 }