Messages in this thread Patch in this message |  | | From | Rakesh Pillai <> | Subject | [RFC 1/7] mac80211: Add check for napi handle before WARN_ON | Date | Tue, 21 Jul 2020 22:44:20 +0530 |
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The function ieee80211_rx_napi can be now called from a thread context as well, with napi context being NULL.
Hence add the napi context check before giving out a warning for softirq count being 0.
Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org> --- net/mac80211/rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index a88ab6f..1e703f1 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -4652,7 +4652,7 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta, struct ieee80211_supported_band *sband; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); - WARN_ON_ONCE(softirq_count() == 0); + WARN_ON_ONCE(napi && softirq_count() == 0); if (WARN_ON(status->band >= NUM_NL80211_BANDS)) goto drop; -- 2.7.4
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