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flow_dissect: call init_default_flow_dissectors() earlier 

Andre Noll reported panics after my recent fix (commit 34fad54c25
"net: __skb_flow_dissect() must cap its return value")

After some more headaches, Alexander root caused the problem to
init_default_flow_dissectors() being called too late, in case
a network driver like IGB is not a module and receives DHCP message
very early.

Fix is to call init_default_flow_dissectors() much earlier,
as it is a core infrastructure and does not depend on another
kernel service.

Fixes: 06635a35d1 ("flow_dissect: use programable dissector in skb_flow_dissect and friends")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andre Noll <maan@tuebingen.mpg.de>
Diagnosed-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-11-22 11:17:30 -08:00 committed by David S. Miller
parent 3b404a5198
commit c9b8af1330
1 changed files with 1 additions and 1 deletions
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net/core/flow_dissector.c
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@ -1013,4 +1013,4 @@ static int __init init_default_flow_dissectors(void)
return 0;
}
late_initcall_sync(init_default_flow_dissectors);
core_initcall(init_default_flow_dissectors);