[redhat-lspp] RE: [IPSEC] flow: Cache negative results
Joy Latten
latten at austin.ibm.com
Tue Jan 16 19:40:45 UTC 2007
>> > > We jump to the fail without releasing the lock.
>> > > Instead of a "fail", how about just breaking from the loop
>> > > and falling through to release lock and return...
>> >
>> > Sure. That should work too. Thanks.
>>
>> Also, you would have to make sure pol is set to NULL
>> in this case.
>
>I see lspp63 could use the following patch that does the
>above:
>
>--- linux-2.6.18.i386.old/net/xfrm/xfrm_policy.c 2007-01-16
>10:36:23.000000000 -0600
>+++ linux-2.6.18.i386/net/xfrm/xfrm_policy.c 2007-01-16
>10:36:59.000000000 -0600
>@@ -627,9 +627,11 @@ static int xfrm_policy_lookup(struct flo
> xfrm_pol_hold(pol);
> break;
> } else if (ret == -ESRCH)
>- ret = 0;
>- else
>+ ret = 0;
>+ else {
>+ pol = NULL;
> break;
>+ }
> }
> }
> read_unlock_bh(&xfrm_policy_lock);
Yes! I agree. This looks good to me.
Regards,
Joy
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