wil6210: check rx_buff_mgmt before accessing it
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>
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@ -268,6 +268,9 @@ static void wil_move_all_rx_buff_to_free_list(struct wil6210_priv *wil,
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struct list_head *active = &wil->rx_buff_mgmt.active;
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dma_addr_t pa;
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if (!wil->rx_buff_mgmt.buff_arr)
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return;
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while (!list_empty(active)) {
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struct wil_rx_buff *rx_buff =
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list_first_entry(active, struct wil_rx_buff, list);
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