This is a note to let you know that I've just added the patch titled
brcmfmac: Fix glob_skb leak in brcmf_sdiod_recv_chain
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
brcmfmac-fix-glob_skb-leak-in-brcmf_sdiod_recv_chain.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3bdae810721b33061d2e541bd78a70f86ca42af3 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <f.fainelli@xxxxxxxxx>
Date: Mon, 18 Jul 2016 16:24:34 -0700
Subject: brcmfmac: Fix glob_skb leak in brcmf_sdiod_recv_chain
From: Florian Fainelli <f.fainelli@xxxxxxxxx>
commit 3bdae810721b33061d2e541bd78a70f86ca42af3 upstream.
In case brcmf_sdiod_recv_chain() cannot complete a succeful call to
brcmf_sdiod_buffrw, we would be leaking glom_skb and not free it as we
should, fix this.
Reported-by: coverity (CID 1164856)
Fixes: a413e39a38573 ("brcmfmac: fix brcmf_sdcard_recv_chain() for host without sg support")
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Acked-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -722,8 +722,10 @@ int brcmf_sdiod_recv_chain(struct brcmf_
return -ENOMEM;
err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr,
glom_skb);
- if (err)
+ if (err) {
+ brcmu_pkt_buf_free_skb(glom_skb);
goto done;
+ }
skb_queue_walk(pktq, skb) {
memcpy(skb->data, glom_skb->data, skb->len);
Patches currently in stable-queue which might be from f.fainelli@xxxxxxxxx are
queue-4.7/brcmfmac-fix-glob_skb-leak-in-brcmf_sdiod_recv_chain.patch
queue-4.7/brcmsmac-free-packet-if-dma_mapping_error-fails-in-dma_rxfill.patch
queue-4.7/brcmsmac-initialize-power-in-brcms_c_stf_ss_algo_channel_get.patch
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