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brcmfmac: fix skb leak in brcmf_sdio_txpkt_prep_sg error path. 

Commit 1eb4301867 (brcmfmac: fix txglomming scatter-gather packet transfers)
added an allocation of an skb via brcmu_pkt_buf_get_skb() but forgot to
free it on one of the error paths.

Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Dave Jones<davej@fedoraproject.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dave Jones 2014-03-06 15:51:08 -05:00 committed by John W. Linville
parent d51246481c
commit 2dc3a8e0b6
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
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@ -1948,8 +1948,10 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus,
if (pkt_pad == NULL)
return -ENOMEM;
ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad);
if (unlikely(ret < 0))
if (unlikely(ret < 0)) {
kfree_skb(pkt_pad);
return ret;
}
memcpy(pkt_pad->data,
pkt->data + pkt->len - tail_chop,
tail_chop);