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cfg80211: mark regdomains with > NL80211_MAX_SUPP_REG_RULES invalid
[safe/jmp/linux-2.6]
/
net
/
wireless
/
reg.c
diff --git
a/net/wireless/reg.c
b/net/wireless/reg.c
index
f8e7beb
..
f0ff3d1
100644
(file)
--- 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))