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(parent: 8802028) | patch
tipc: fix dereference before check warning
authorErik Hugne <erik.hugne@ericsson.com>
Wed, 13 Nov 2013 08:35:11 +0000 (09:35 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Nov 2013 08:11:06 +0000 (03:11 -0500)
commitd80769264fb13d6d57e72a8347f2f5397a6b8dad
treec9209a27ba6e8a40665f0a509685854ceba3d63ctree | snapshot
parent8802028d6f46a8c552d41fb1e67dba6419de2caccommit | diff
tipc: fix dereference before check warning

This fixes the following Smatch warning:
net/tipc/link.c:2364 tipc_link_recv_fragment()
    warn: variable dereferenced before check '*head' (see line 2361)

A null pointer might be passed to skb_try_coalesce if
a malicious sender injects orphan fragments on a link.

Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/tipc/link.c diff | blob | history
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