From d6a553c0c61b0b0219764e4d4fc14e385085f374 Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Fri, 26 Apr 2019 18:43:36 +0300 Subject: wil6210: check rx_buff_mgmt before accessing it Make sure rx_buff_mgmt is initialized before accessing it. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/txrx_edma.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index f37a2056ad21..6140db5960c3 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -269,6 +269,9 @@ static void wil_move_all_rx_buff_to_free_list(struct wil6210_priv *wil, struct list_head *active = &wil->rx_buff_mgmt.active; dma_addr_t pa; + if (!wil->rx_buff_mgmt.buff_arr) + return; + while (!list_empty(active)) { struct wil_rx_buff *rx_buff = list_first_entry(active, struct wil_rx_buff, list); -- cgit