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-rw-r--r--src/drivers/driver_nl80211.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 0dab4bd..7e8d579 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -9101,6 +9101,8 @@ static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
ret = os_snprintf(path, sizeof(path),
"/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
bss->ifname);
+ if (os_snprintf_error(sizeof(path), ret))
+ return -1;
ret = nl80211_write_to_file(path,
!!(filter_flags &