Re: panic in soreceive()

[Matthias Drochner <M.Drochner%fz-juelich.de@localhost>]

yamt%mwd.biglobe.ne.jp@localhost said:
> fifofs should take kernel_lock for socket. 

thanks -- with the appended patch I can't reproduce
the problem anymore

best regards
Matthias





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Forschungszentrum Juelich GmbH
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#
# old_revision [d3b74e67f304db730dd1e4517223a62a2141d9dc]
#
# patch "sys/miscfs/fifofs/fifo_vnops.c"
#  from [6517d1a0ca42dd690018e0820325d000a83bd143]
#    to [6ae82b77e436e5ed1fdf21bc9e67a891713bec22]
#
============================================================
--- sys/miscfs/fifofs/fifo_vnops.c      6517d1a0ca42dd690018e0820325d000a83bd143
+++ sys/miscfs/fifofs/fifo_vnops.c      6ae82b77e436e5ed1fdf21bc9e67a891713bec22
@@ -152,6 +152,8 @@ fifo_open(void *v)
        vp = ap->a_vp;
        p = l->l_proc;
 
+       vp->v_vflag &= ~VV_MPSAFE;
+
        if ((fip = vp->v_fifoinfo) == NULL) {
                MALLOC(fip, struct fifoinfo *, sizeof(*fip), M_VNODE, M_WAITOK);
                vp->v_fifoinfo = fip;