diff mbox series

[8/9] wil6210: check rx_buff_mgmt before accessing it

Message ID 1556293417-27097-9-git-send-email-merez@codeaurora.org (mailing list archive)
State Accepted
Commit d6a553c0c61b0b0219764e4d4fc14e385085f374
Delegated to: Kalle Valo
Headers show
Series wil6210 patches | expand

Commit Message

Maya Erez April 26, 2019, 3:43 p.m. UTC 
From: Dedy Lansky <dlansky@codeaurora.org>

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>
---
 drivers/net/wireless/ath/wil6210/txrx_edma.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c
index f37a205..6140db5 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);