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[NEIGH]: Revert 'Fix race between neigh_parms_release and neightbl_fill_parms'

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Commit 9cd4002942 (Fix race between
neigh_parms_release and neightbl_fill_parms) introduced device
reference counting regressions for several people, see:

	http://bugzilla.kernel.org/show_bug.cgi?id=9778

for example.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-01-20 16:39:03 -08:00
parent 2dc2f207fb
commit cecbb63967
1 changed files with 2 additions and 2 deletions
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4
net/core/neighbour.c
View file

@ -1316,6 +1316,8 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms)
*p = parms->next; *p = parms->next;
parms->dead = 1; parms->dead = 1;
write_unlock_bh(&tbl->lock); write_unlock_bh(&tbl->lock);
if (parms->dev)
dev_put(parms->dev);
call_rcu(&parms->rcu_head, neigh_rcu_free_parms); call_rcu(&parms->rcu_head, neigh_rcu_free_parms);
return; return;
} }
@ -1326,8 +1328,6 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms)
void neigh_parms_destroy(struct neigh_parms *parms) void neigh_parms_destroy(struct neigh_parms *parms)
{ {
if (parms->dev)
dev_put(parms->dev);
kfree(parms); kfree(parms);
} }