Michal Kazior <michal.kazior@xxxxxxxxx> 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 <michal.kazior@xxxxxxxxx> > --- > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html