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wil6210: check rx_buff_mgmt before accessing it

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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>
This commit is contained in:
Dedy Lansky 2019-04-26 18:43:36 +03:00 committed by Greg Kroah-Hartman
parent 570fbaeac9
commit 9d9cb5efdc
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/ath/wil6210/txrx_edma.c
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@ -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);