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From: Ben Hutchings <ben@decadent.org.uk>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org,
	alan@lxorguk.ukuu.org.uk, Alan Cox <alan@linux.intel.com>,
	<rucsoftsec@gmail.com>, "David S. Miller" <davem@davemloft.net>
Subject: [ 06/37] caif: fix NULL pointer check
Date: Fri, 17 Aug 2012 04:02:49 +0100	[thread overview]
Message-ID: <20120817030244.740450406@decadent.org.uk> (raw)
In-Reply-To: <20120817030243.807605523@decadent.org.uk>

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alan Cox <alan@linux.intel.com>

[ Upstream commit c66b9b7d365444b433307ebb18734757cb668a02 ]

Reported-by: <rucsoftsec@gmail.com>
Resolves-bug: http://bugzilla.kernel.org/show_bug?44441
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 drivers/net/caif/caif_serial.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index 23406e6..ae286a9 100644
--- a/drivers/net/caif/caif_serial.c
+++ b/drivers/net/caif/caif_serial.c
@@ -325,6 +325,9 @@ static int ldisc_open(struct tty_struct *tty)
 
 	sprintf(name, "cf%s", tty->name);
 	dev = alloc_netdev(sizeof(*ser), name, caifdev_setup);
+	if (!dev)
+		return -ENOMEM;
+
 	ser = netdev_priv(dev);
 	ser->tty = tty_kref_get(tty);
 	ser->dev = dev;



  parent reply	other threads:[~2012-08-17  3:27 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-17  3:02 [ 00/37] 3.2.28-stable review Ben Hutchings
2012-08-17  3:02 ` [ 01/37] bnx2: Fix bug in bnx2_free_tx_skbs() Ben Hutchings
2012-08-17  3:02 ` [ 02/37] sch_sfb: Fix missing NULL check Ben Hutchings
2012-08-17  3:02 ` [ 03/37] sctp: Fix list corruption resulting from freeing an association on a list Ben Hutchings
2012-08-17  3:02 ` [ 04/37] caif: Fix access to freed pernet memory Ben Hutchings
2012-08-17  3:02 ` [ 05/37] cipso: dont follow a NULL pointer when setsockopt() is called Ben Hutchings
2012-08-17  3:02 ` Ben Hutchings [this message]
2012-08-17  3:02 ` [ 07/37] wanmain: comparing array with NULL Ben Hutchings
2012-08-17  3:02 ` [ 08/37] tcp: Add TCP_USER_TIMEOUT negative value check Ben Hutchings
2012-08-17  3:02 ` [ 09/37] USB: kaweth.c: use GFP_ATOMIC under spin_lock Ben Hutchings
2012-08-17  3:02 ` [ 10/37] net: fix rtnetlink IFF_PROMISC and IFF_ALLMULTI handling Ben Hutchings
2012-08-17  3:02 ` [ 11/37] tcp: perform DMA to userspace only if there is a task waiting for it Ben Hutchings
2012-08-17  3:02 ` [ 12/37] net/tun: fix ioctl() based info leaks Ben Hutchings
2012-08-17  3:02 ` [ 13/37] e1000: add dropped DMA receive enable back in for WoL Ben Hutchings
2012-08-17  3:02 ` [ 14/37] rtlwifi: rtl8192cu: Change buffer allocation for synchronous reads Ben Hutchings
2012-08-17  3:02 ` [ 15/37] hfsplus: fix overflow in sector calculations in hfsplus_submit_bio Ben Hutchings
2012-08-17  3:02 ` [ 16/37] drm/i915: fixup seqno allocation logic for lazy_request Ben Hutchings
2012-08-17  3:03 ` [ 17/37] KVM: VMX: Advertise CPU_BASED_RDPMC_EXITING for nested guests Ben Hutchings
2012-08-17  3:03 ` [ 18/37] mac80211: cancel mesh path timer Ben Hutchings
2012-08-17  3:03 ` [ 19/37] ath9k: Add PID/VID support for AR1111 Ben Hutchings
2012-08-17  3:03 ` [ 20/37] ARM: mxs: Remove MMAP_MIN_ADDR setting from mxs_defconfig Ben Hutchings
2012-08-17  3:03 ` [ 21/37] ALSA: hda - add dock support for Thinkpad T430s Ben Hutchings
2012-08-17  3:03 ` [ 22/37] cfg80211: process pending events when unregistering net device Ben Hutchings
2012-08-17  3:03 ` [ 23/37] rt61pci: fix NULL pointer dereference in config_lna_gain Ben Hutchings
2012-08-17  3:03 ` [ 24/37] iwlwifi: disable greenfield transmissions as a workaround Ben Hutchings
2012-08-17  3:03 ` [ 25/37] ALSA: hda - add dock support for Thinkpad X230 Ben Hutchings
2012-08-17  3:03 ` [ 26/37] e1000e: NIC goes up and immediately goes down Ben Hutchings
2012-08-17  3:03 ` [ 27/37] ALSA: hda - remove quirk for Dell Vostro 1015 Ben Hutchings
2012-08-17  3:03 ` [ 28/37] ALSA: hda - Fix double quirk for Quanta FL1 / Lenovo Ideapad Ben Hutchings
2012-08-17  3:03 ` [ 29/37] ARM: pxa: remove irq_to_gpio from ezx-pcap driver Ben Hutchings
2012-08-17  3:03 ` [ 30/37] Input: eeti_ts: pass gpio value instead of IRQ Ben Hutchings
2012-08-17  3:03 ` [ 31/37] tun: dont zeroize sock->file on detach Ben Hutchings
2012-08-19 17:13   ` Ben Hutchings
2012-08-17  3:03 ` [ 32/37] drm/i915: correctly order the ring init sequence Ben Hutchings
2012-08-17 23:29   ` Herton Ronaldo Krzesinski
2012-08-18 10:04     ` Daniel Vetter
2012-08-19 14:54       ` Ben Hutchings
2012-08-19 19:00         ` Herton Ronaldo Krzesinski
2012-08-17  3:03 ` [ 33/37] s390/compat: fix compat wrappers for process_vm system calls Ben Hutchings
2012-08-17  3:03 ` [ 34/37] s390/compat: fix mmap compat " Ben Hutchings
2012-08-17  3:03 ` [ 35/37] drm/radeon: fix bank tiling parameters on evergreen Ben Hutchings
2012-08-17  3:03 ` [ 36/37] drm/radeon: fix bank tiling parameters on cayman Ben Hutchings
2012-08-17  3:03 ` [ 37/37] drm/radeon: do not reenable crtc after moving vram start address Ben Hutchings

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