diff options
Diffstat (limited to 'sys/dev/pv/xenstore.c')
| -rw-r--r-- | sys/dev/pv/xenstore.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sys/dev/pv/xenstore.c b/sys/dev/pv/xenstore.c index c759de82c1b..a1705b2471c 100644 --- a/sys/dev/pv/xenstore.c +++ b/sys/dev/pv/xenstore.c @@ -1,4 +1,4 @@ -/* $OpenBSD: xenstore.c,v 1.26 2016/02/04 12:50:56 mikeb Exp $ */ +/* $OpenBSD: xenstore.c,v 1.27 2016/02/05 10:30:37 mikeb Exp $ */ /* * Copyright (c) 2015 Mike Belopuhov @@ -878,9 +878,9 @@ xs_getprop(struct xen_softc *sc, const char *path, const char *property, char *value, int size) { struct xs_transaction xst; - struct iovec *iovp; + struct iovec *iovp = NULL; char key[256]; - int error, iov_cnt, ret; + int error, ret, iov_cnt = 0; if (!property) return (-1); @@ -901,7 +901,8 @@ xs_getprop(struct xen_softc *sc, const char *path, const char *property, if ((error = xs_cmd(&xst, XS_READ, key, &iovp, &iov_cnt)) != 0) return (error); - strlcpy(value, (char *)iovp->iov_base, size); + if (iov_cnt > 0) + strlcpy(value, (char *)iovp->iov_base, size); xs_resfree(&xst, iovp, iov_cnt); @@ -915,7 +916,7 @@ xs_setprop(struct xen_softc *sc, const char *path, const char *property, struct xs_transaction xst; struct iovec iov, *iovp = &iov; char key[256]; - int error, iov_cnt, ret; + int error, ret, iov_cnt = 0; if (!property) return (-1); @@ -948,7 +949,7 @@ xs_kvop(void *arg, int op, char *key, char *value, size_t valuelen) struct xen_softc *sc = arg; struct xs_transaction xst; struct iovec iov, *iovp = &iov; - int error = 0, iov_cnt, cmd, i; + int error = 0, iov_cnt = 0, cmd, i; switch (op) { case PVBUS_KVWRITE: |