linux-kernel - [PATCH linux-next v2] infiniband/ipoib: fix possible NULL pointer dereference in ipoib_get

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Message-Id: <1429028811-29888-1-git-send-email-honli@redhat.com>
Date:	Wed, 15 Apr 2015 00:26:50 +0800
From:	Honggang Li <honli@...hat.com>
To:	roland@...nel.org, sean.hefty@...el.com, hal.rosenstock@...il.com,
	davem@...emloft.net, alex.estrin@...el.com, dledford@...hat.com,
	edumazet@...gle.com, erezsh@...lanox.com,
	nicolas.dichtel@...nd.com, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Honggang Li <honli@...hat.com>
Subject: [PATCH linux-next v2] infiniband/ipoib: fix possible NULL pointer dereference in ipoib_get_iflink

1) Droped ipvlan/macvlan/dsa patches.
2) Do not check the pointer returned by netdev_priv.
3) Add the FIX tag.

--------------------- console log ---------------
ipoib_get_iflink  dev = ffff88026eb1c000, priv = ffff88026eb1c7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff88026eb1c000, priv = ffff88026eb1c7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff880225c8a000, priv = ffff880225c8a7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff880225c8a000, priv = ffff880225c8a7c0, priv->parent =           (null)
[  OK  ]
ipoib_get_iflink  dev = ffff88026eb1c000, priv = ffff88026eb1c7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff88026eb1c000, priv = ffff88026eb1c7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff880225c8a000, priv = ffff880225c8a7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff880225c8a000, priv = ffff880225c8a7c0, priv->parent =           (null)
Shutting down interface cxgb4_1:  ipoib_get_iflink  dev = ffff88026eb1c000, priv = ffff88026eb1c7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff88026eb1c000, priv = ffff88026eb1c7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff880225c8a000, priv = ffff880225c8a7c0, priv->parent =           (null)
ipoib_get_iflink  dev = ffff880225c8a000, priv = ffff880225c8a7c0, priv->parent =           (null)
--------------------- console log ---------------

Honggang Li (1):
  infiniband/ipoib: fix possible NULL pointer dereference in
    ipoib_get_iflink

 drivers/infiniband/ulp/ipoib/ipoib_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

-- 
1.8.3.1

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