Michal Kazior <[email protected]> writes:
> The netbuf pop can return NULL. Make sure to check
> for that. It shouldn't happen but better safe than
> sorry.
>
> Signed-off-by: Michal Kazior <[email protected]>
> ---
> drivers/net/wireless/ath/ath10k/htt_rx.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c
> b/drivers/net/wireless/ath/ath10k/htt_rx.c
> index 7fa4d87..ddb9fe9 100644
> --- a/drivers/net/wireless/ath/ath10k/htt_rx.c
> +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
> @@ -428,6 +428,15 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt
> *htt,
> while (msdu_chained--) {
> struct sk_buff *next = ath10k_htt_rx_netbuf_pop(htt);
>
> + if (!next) {
> + ath10k_err(ar, "failed to pop chained msdu\n");
ath10k_warn() is better here, right? I have folded this diff to the patch:
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -429,7 +429,7 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt,
struct sk_buff *next = ath10k_htt_rx_netbuf_pop(htt);
if (!next) {
- ath10k_err(ar, "failed to pop chained msdu\n");
+ ath10k_warn(ar, "failed to pop chained msdu\n");
ath10k_htt_rx_free_msdu_chain(*head_msdu);
*head_msdu = NULL;
msdu = NULL;
Full commit:
https://github.com/kvalo/ath/commit/03f316720d664a79e874c13df1e86a64c5f2bf5f
--
Kalle Valo
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