From: Dedy Lansky <dlansky@xxxxxxxxxxxxxx>
commit d6a553c0c61b0b0219764e4d4fc14e385085f374 upstream.
Make sure rx_buff_mgmt is initialized before accessing it.
Signed-off-by: Dedy Lansky <dlansky@xxxxxxxxxxxxxx>
Signed-off-by: Maya Erez <merez@xxxxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/txrx_edma.c | 3 +++
1 file changed, 3 insertions(+)
--- 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
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);
