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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 887b496f2b81..c8998cf01b7a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -5782,7 +5782,7 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata,
{
const struct ieee80211_multi_link_elem *ml;
const struct element *sub;
- size_t ml_len;
+ ssize_t ml_len;
unsigned long removed_links = 0;
u16 link_removal_timeout[IEEE80211_MLD_MAX_NUM_LINKS] = {};
u8 link_id;
@@ -5798,6 +5798,8 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata,
elems->scratch + elems->scratch_len -
elems->scratch_pos,
WLAN_EID_FRAGMENT);
+ if (ml_len < 0)
+ return;
elems->ml_reconf = (const void *)elems->scratch_pos;
elems->ml_reconf_len = ml_len;