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net: core: Prevent from dereferencing null pointer when releasing SKB
authorMyungho Jung <mhjungk@gmail.com>
Tue, 25 Apr 2017 18:58:15 +0000 (11:58 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 8 Oct 2017 08:26:07 +0000 (10:26 +0200)
commit1dee03af7325f8a04954f9114cb76945fddb950c
tree023a0b90275501ce4e3d05fc4212e5469eba096btree | snapshot
parentc593091cfc1bee31b56b555c83dc5f0ed715d7edcommit | diff
net: core: Prevent from dereferencing null pointer when releasing SKB

[ Upstream commit 9899886d5e8ec5b343b1efe44f185a0e68dc6454 ]

Added NULL check to make __dev_kfree_skb_irq consistent with kfree
family of functions.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=195289
Signed-off-by: Myungho Jung <mhjungk@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/core/dev.c diff | blob | history
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