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authorLuis R. Rodriguez <lrodriguez@atheros.com>2008-11-12 14:22:01 -0800
committerJohn W. Linville <linville@tuxdriver.com>2008-11-25 16:41:25 -0500
commit88dc1c3f7f9058cd5ceae1e4b53453484c7b0364 (patch)
tree47a2cf73d22d4d49e8c388f267f307221cf2d2b2 /net/wireless
parent02ba0b3263f4eb41d2a5714cbe99207ae491a964 (diff)
cfg80211: mark regdomains with > NL80211_MAX_SUPP_REG_RULES invalid
Lets remain consistent and mark rds with > NL80211_MAX_SUPP_REG_RULES number of reg rules as invalid in is_valid_rd(). Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-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))