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authorFlorian Fainelli <f.fainelli@gmail.com>2016-07-18 16:24:34 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-07 15:23:45 +0200
commita6501617e689ad80c4d185e0d8f485e0d0b1a708 (patch)
tree25663b196d58fdd5d274824d4982f30d9e15fdff
parent49fca97a99305c54fc6c060b492c5bc1b592b73d (diff)
brcmfmac: Fix glob_skb leak in brcmf_sdiod_recv_chain
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@gmail.com> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index 410a6645d316..59cef6c69fe8 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -726,8 +726,10 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
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);