Initialize error variable in dtread().

OK mpi@

diff --git a/sys/dev/dt/dt_dev.c b/sys/dev/dt/dt_dev.c
index bf96200..a78775a 100644 (file)
--- a/sys/dev/dt/dt_dev.c
+++ b/sys/dev/dt/dt_dev.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: dt_dev.c,v 1.11 2021/02/08 08:18:45 mpi Exp $ */
+/*     $OpenBSD: dt_dev.c,v 1.12 2021/03/26 21:17:10 bluhm Exp $ */
 
 /*
  * Copyright (c) 2019 Martin Pieuchot <mpi@openbsd.org>
@@ -213,7 +213,7 @@ dtread(dev_t dev, struct uio *uio, int flags)
        struct dt_softc *sc;
        struct dt_evt *estq;
        struct dt_pcb *dp;
-       int error, unit = minor(dev);
+       int error = 0, unit = minor(dev);
        size_t qlen, count, read = 0;
        uint64_t dropped = 0;