diff options
Diffstat (limited to 'net/filter-mirror.c')
| -rw-r--r-- | net/filter-mirror.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/filter-mirror.c b/net/filter-mirror.c index 90e2c92337..ce0dc23c2a 100644 --- a/net/filter-mirror.c +++ b/net/filter-mirror.c @@ -213,6 +213,12 @@ static void filter_mirror_setup(NetFilterState *nf, Error **errp) MirrorState *s = FILTER_MIRROR(nf); Chardev *chr; + if (s->outdev == NULL) { + error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "filter-mirror parameter"\ + " 'outdev' cannot be empty"); + return; + } + chr = qemu_chr_find(s->outdev); if (chr == NULL) { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |