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-rw-r--r--mac80211.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mac80211.c b/mac80211.c
index c089574..09f15b7 100644
--- a/mac80211.c
+++ b/mac80211.c
@@ -226,6 +226,10 @@ void enter_rfmon_mac80211(const char *device, char **mondev)
char mondevice[32];
slprintf(mondevice, sizeof(mondevice), "mon%u", n);
+
+ if (device_ifindex_get(mondevice) > 0)
+ continue;
+
ret = nl80211_add_mon_if(&nlstate, device, mondevice);
if (ret == 0) {
*mondev = xstrdup(mondevice);