diff options
Diffstat (limited to 'package/kernel/mac80211/patches/351-0051-brcmfmac-use-correct-skb-freeing-helper-when-deletin.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/351-0051-brcmfmac-use-correct-skb-freeing-helper-when-deletin.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/351-0051-brcmfmac-use-correct-skb-freeing-helper-when-deletin.patch b/package/kernel/mac80211/patches/351-0051-brcmfmac-use-correct-skb-freeing-helper-when-deletin.patch new file mode 100644 index 0000000000..697635941b --- /dev/null +++ b/package/kernel/mac80211/patches/351-0051-brcmfmac-use-correct-skb-freeing-helper-when-deletin.patch @@ -0,0 +1,58 @@ +From 7f00ee2bbc630900ba16fc2690473f3e2db0e264 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Tue, 27 Sep 2016 14:11:04 +0200 +Subject: [PATCH] brcmfmac: use correct skb freeing helper when deleting + flowring +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Flowrings contain skbs waiting for transmission that were passed to us +by netif. It means we checked every one of them looking for 802.1x +Ethernet type. When deleting flowring we have to use freeing function +that will check for 802.1x type as well. + +Freeing skbs without a proper check was leading to counter not being +properly decreased. This was triggering a WARNING every time +brcmf_netdev_wait_pend8021x was called. + +Signed-off-by: RafaÅ MiÅecki <rafal@milecki.pl> +Acked-by: Arend van Spriel <arend@broadcom.com> +Cc: stable@vger.kernel.org # 4.5+ +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c | 9 ++++++++- + 1 file changed, 8 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c +@@ -234,13 +234,20 @@ static void brcmf_flowring_block(struct + + void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid) + { ++ struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev); + struct brcmf_flowring_ring *ring; ++ struct brcmf_if *ifp; + u16 hash_idx; ++ u8 ifidx; + struct sk_buff *skb; + + ring = flow->rings[flowid]; + if (!ring) + return; ++ ++ ifidx = brcmf_flowring_ifidx_get(flow, flowid); ++ ifp = brcmf_get_ifp(bus_if->drvr, ifidx); ++ + brcmf_flowring_block(flow, flowid, false); + hash_idx = ring->hash_id; + flow->hash[hash_idx].ifidx = BRCMF_FLOWRING_INVALID_IFIDX; +@@ -249,7 +256,7 @@ void brcmf_flowring_delete(struct brcmf_ + + skb = skb_dequeue(&ring->skblist); + while (skb) { +- brcmu_pkt_buf_free_skb(skb); ++ brcmf_txfinalize(ifp, skb, false); + skb = skb_dequeue(&ring->skblist); + } + |