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authorMartin Pieuchot <mpi@cvs.openbsd.org>2020-04-08 08:01:53 +0000
committerMartin Pieuchot <mpi@cvs.openbsd.org>2020-04-08 08:01:53 +0000
commit9e8d4e12caf547965622f4e6e0cdf16c6d336fc9 (patch)
treeebe51baef01b45e112a5086f251c804898ba7a4b /sys/miscfs
parent1c744abd28db81ba9b2296822c9a37011a2e6fa4 (diff)
Pass correct socket to the write kqueue filter.
Make EVFILT_WRITE notifications on fifo work. ok visa@, millert@
Diffstat (limited to 'sys/miscfs')
-rw-r--r--sys/miscfs/fifofs/fifo_vnops.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/miscfs/fifofs/fifo_vnops.c b/sys/miscfs/fifofs/fifo_vnops.c
index 26e01322a1e..221826cb699 100644
--- a/sys/miscfs/fifofs/fifo_vnops.c
+++ b/sys/miscfs/fifofs/fifo_vnops.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: fifo_vnops.c,v 1.74 2020/04/07 13:27:51 visa Exp $ */
+/* $OpenBSD: fifo_vnops.c,v 1.75 2020/04/08 08:01:52 mpi Exp $ */
/* $NetBSD: fifo_vnops.c,v 1.18 1996/03/16 23:52:42 christos Exp $ */
/*
@@ -507,16 +507,19 @@ int
fifo_kqfilter(void *v)
{
struct vop_kqfilter_args *ap = v;
- struct socket *so = (struct socket *)ap->a_vp->v_fifoinfo->fi_readsock;
+ struct fifoinfo *fip = ap->a_vp->v_fifoinfo;
struct sockbuf *sb;
+ struct socket *so;
switch (ap->a_kn->kn_filter) {
case EVFILT_READ:
ap->a_kn->kn_fop = &fiforead_filtops;
+ so = fip->fi_readsock;
sb = &so->so_rcv;
break;
case EVFILT_WRITE:
ap->a_kn->kn_fop = &fifowrite_filtops;
+ so = fip->fi_writesock;
sb = &so->so_snd;
break;
default: