3 files changed, 6 insertions(+), 3 deletions(-)

M carrera/fns.h
M port/devmnt.c
M port/error.h

@@ 128,6 128,7 @@ void	ifjab(void);
 ulong	ifaddr(void*);
 void	filiput(Block*);
 void	fiberint(int);
+void	freset(void*);
 void	audiosbintr(void);
 void	audiodmaintr(void);
 ulong	fwblock(void*, void*, ulong);

@@ 758,7 758,7 @@ mountmux(Mnt *m, Mntrpc *r)
 int
 mntflush(Mnt *m, Mntrpc *r)
 {
-	int n;
+	int n, l;
 	Fcall flush;
 
 	lock(m);


@@ 779,7 779,9 @@ mntflush(Mnt *m, Mntrpc *r)
 		mntqrm(m, r);
 		return 0;
 	}
-	(*devtab[m->c->type].write)(m->c, r->flush, n, 0);
+	l = (*devtab[m->c->type].write)(m->c, r->flush, n, 0);
+	if(l != n)
+		error(Ehungup);
 	poperror();
 	return 1;
 }

@@ 25,7 25,7 @@ extern char Enoproto[];		/* network protocol not supported */
 extern char Enoport[];		/* network port not available */
 extern char Enoifc[];		/* bad interface or no free interface slots */
 extern char Enolisten[];	/* not announced */
-extern char Ehungup[];		/* write to hungup stream */
+extern char Ehungup[];		/* write to hungup channel */
 extern char Ebadctl[];		/* bad process or stream control request */
 extern char Enodev[];		/* no free devices */
 extern char Enoenv[];		/* no free environment resources */