wifi: nl80211: fix puncturing bitmap policy

This was meant to be a u32, and while applying the patch
I tried to use policy validation for it. However, not only
did I copy/paste it to u8 instead of u32, but also used
the policy range erroneously. Fix both of these issues.

Fixes: d7c1a9a0ed18 ("wifi: nl80211: validate and configure puncturing bitmap")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 51f6582..6869781 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -462,6 +462,11 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
        [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
 };
 
+static struct netlink_range_validation nl80211_punct_bitmap_range = {
+       .min = 0,
+       .max = 0xffff,
+};
+
 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
        [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
        [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
@@ -805,7 +810,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
        [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
        [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
        [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
-       [NL80211_ATTR_PUNCT_BITMAP] = NLA_POLICY_RANGE(NLA_U8, 0, 0xffff),
+       [NL80211_ATTR_PUNCT_BITMAP] =
+               NLA_POLICY_FULL_RANGE(NLA_U32, &nl80211_punct_bitmap_range),
 };
 
 /* policy for the key attributes */