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From: Dave Jones <davej@redhat.com>
To: Arend van Spriel <arend@broadcom.com>
Cc: netdev@vger.kernel.org, linville@tuxdriver.com,
	linux-coverity@vger.kernel.org
Subject: brcmfmac: fix skb leak in brcmf_sdio_txpkt_prep_sg error path.
Date: Thu, 6 Mar 2014 12:03:54 -0500	[thread overview]
Message-ID: <20140306170354.GA31372@redhat.com> (raw)
In-Reply-To: <53183722.7000301@broadcom.com>

Commit 1eb4301867 added an allocation of an skb via brcmu_pkt_buf_get_skb()
but forgot to free it on one of the error paths.
 
Cc: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Dave Jones <davej@fedoraproject.org>

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 119ee6eaf1c3..ddaa9efd053d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -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);

  reply	other threads:[~2014-03-06 17:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20140305192636.D06AA660D72@gitolite.kernel.org>
2014-03-06  6:09 ` brcmfmac: fix txglomming scatter-gather packet transfers Dave Jones
2014-03-06  8:51   ` Arend van Spriel
2014-03-06 17:03     ` Dave Jones [this message]
2014-03-06 21:41       ` brcmfmac: fix skb leak in brcmf_sdio_txpkt_prep_sg error path Sergei Shtylyov
2014-03-06 20:51         ` Dave Jones

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