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genetlink: fix genl_set_err() group ID

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Fix another really stupid bug - I introduced genl_set_err()
precisely to be able to adjust the group and reject invalid
ones, but then forgot to do so.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2013-11-21 18:20:28 +01:00 committed by David S. Miller
parent 220815a966
commit 91398a0992
1 changed files with 3 additions and 0 deletions
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3
include/net/genetlink.h
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@ -384,6 +384,9 @@ static inline struct sk_buff *genlmsg_new(size_t payload, gfp_t flags)
static inline int genl_set_err(struct genl_family *family, struct net *net,
u32 portid, u32 group, int code)
{
if (WARN_ON_ONCE(group >= family->n_mcgrps))
return -EINVAL;
group = family->mcgrp_offset + group;
return netlink_set_err(net->genl_sock, portid, group, code);
}