diff options
Diffstat (limited to 'sys/dev/usb/udl.c')
-rw-r--r-- | sys/dev/usb/udl.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/usb/udl.c b/sys/dev/usb/udl.c index 35ee1fdab99..487416baece 100644 --- a/sys/dev/usb/udl.c +++ b/sys/dev/usb/udl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: udl.c,v 1.21 2009/08/02 10:38:34 miod Exp $ */ +/* $OpenBSD: udl.c,v 1.22 2009/08/09 20:10:08 mglocker Exp $ */ /* * Copyright (c) 2009 Marcus Glocker <mglocker@openbsd.org> @@ -872,7 +872,10 @@ udl_cmd_free_buf(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; - free(cb->buf, M_DEVBUF); + if (cb->buf != NULL) { + free(cb->buf, M_DEVBUF); + cb->buf = NULL; + } cb->off = 0; } |