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-rw-r--r--net/wireless/reg.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f8e7beb23ad..f0ff3d1779d 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -352,6 +352,9 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd)
if (!rd->n_reg_rules)
return false;
+ if (WARN_ON(rd->n_reg_rules > NL80211_MAX_SUPP_REG_RULES))
+ return false;
+
for (i = 0; i < rd->n_reg_rules; i++) {
reg_rule = &rd->reg_rules[i];
if (!is_valid_reg_rule(reg_rule))