From: Dan Carpenter <dan.carpenter@oracle.com>
To: Brett Rudley <brudley@broadcom.com>
Cc: Arend van Spriel <arend@broadcom.com>,
"Franky (Zhenhui) Lin" <frankyl@broadcom.com>,
Hante Meuleman <meuleman@broadcom.com>,
"John W. Linville" <linville@tuxdriver.com>,
Pieter-Paul Giesberts <pieterpg@broadcom.com>,
Piotr Haber <phaber@broadcom.com>,
linux-wireless@vger.kernel.org, brcm80211-dev-list@broadcom.com,
kernel-janitors@vger.kernel.org
Subject: [patch] brcmfmac: move dereference under check for NULL
Date: Thu, 6 Jun 2013 13:55:56 +0300 [thread overview]
Message-ID: <20130606105556.GD12953@debian> (raw)
skb_pull() dereferences the skb parameter.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
index ea37bd4..c35296f 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
@@ -861,9 +861,9 @@ static bool brcmf_fws_tim_update(struct brcmf_fws_info *fws,
BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN + 2 +
4 + fws->drvr->hdrlen;
skb = brcmu_pkt_buf_get_skb(len);
- skb_pull(skb, len);
if (skb == NULL)
return false;
+ skb_pull(skb, len);
skcb = brcmf_skbcb(skb);
skcb->mac = entry;
skcb->state = BRCMF_FWS_SKBSTATE_TIM;
next reply other threads:[~2013-06-06 10:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-06 10:55 Dan Carpenter [this message]
2013-06-06 11:46 ` [patch] brcmfmac: move dereference under check for NULL Arend van Spriel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130606105556.GD12953@debian \
--to=dan.carpenter@oracle.com \
--cc=arend@broadcom.com \
--cc=brcm80211-dev-list@broadcom.com \
--cc=brudley@broadcom.com \
--cc=frankyl@broadcom.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
--cc=meuleman@broadcom.com \
--cc=phaber@broadcom.com \
--cc=pieterpg@broadcom.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).