From: Dedy Lansky <dlansky@codeaurora.org> commit d6a553c0c61b0b0219764e4d4fc14e385085f374 upstream. Make sure rx_buff_mgmt is initialized before accessing it. Signed-off-by: Dedy Lansky <dlansky@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- 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 5fa8d6a..03d0e6c 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -268,6 +268,9 @@ 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); -- 1.8.3