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Date: Thu, 10 Oct 2002 11:32:48 -0500
To: "Petr Vandrovec" <VANDROVE@vc.cvut.cz>
From: David Grothe <dave@gcom.com>
Subject: Re: [Linux-streams] Re: [PATCH] Re: export of sys_call_tabl
Cc: linux-kernel@vger.kernel.org, LiS <linux-streams@gsyc.escet.urjc.es>,
       davem@redhat.com, bidulock@openss7.org
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Previous patch was "better" but not correct.  How about this? (changed 
return 0 to return ret).

int register_streams_calls(int (*putpmsg) (int, void *, void *, int, int),
                             int (*getpmsg) (int, void *, void *, int, int))
{
         int ret = 0;
         down_write(&streams_call_sem) ; /* should return int, but doesn't */
         if (   (putpmsg != NULL && do_putpmsg != NULL)
             || (getpmsg != NULL && do_getpmsg != NULL)
            )
                 ret = -EBUSY;
         else {
                 do_putpmsg = putpmsg;
                 do_getpmsg = getpmsg;
         }
         up_write(&streams_call_sem);
         return ret ;
}

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