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wifi: nl80211: fix puncturing bitmap policy

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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: d7c1a9a0ed ("wifi: nl80211: validate and configure puncturing bitmap")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-02-24 13:36:57 +01:00
parent f624bb6fad
commit b27f07c50a
1 changed files with 7 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

8
net/wireless/nl80211.c
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@ -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 */