Re: [PATCH nf v2 1/1] netfilter: snmp: Fix one possible panic when snmp_trap_helper fail to register

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On 3/20/2017 12:55 PM, fgao@xxxxxxxxxx wrote:

From: Gao Feng <fgao@xxxxxxxxxx>

In the commit <93557f53e1fb> ("netfilter: nf_conntrack: nf_conntrack snmp

   Angle brackets not needed. :-)
   The commit citing style is the same as for the Fixes: tag.

helper"), the snmp_helper is replaced by nf_nat_snmp_hook. So the
snmp_helper is never registered. But it still tries to unregister the
snmp_helper, it could cause the panic.

Now remove the useless snmp_helper and the unregister call in the
error handler.

Fixes: 93557f53e1fb ("netfilter: nf_conntrack: nf_conntrack snmp helper")

Signed-off-by: Gao Feng <fgao@xxxxxxxxxx>
[...]

MBR, Sergei

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