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    Subject[PATCH 4.19 77/89] nl80211: add missing attribute validation for channel switch
    Date
    From: Jakub Kicinski <kuba@kernel.org>

    commit 5cde05c61cbe13cbb3fa66d52b9ae84f7975e5e6 upstream.

    Add missing attribute validation for NL80211_ATTR_OPER_CLASS
    to the netlink policy.

    Fixes: 1057d35ede5d ("cfg80211: introduce TDLS channel switch commands")
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    Link: https://lore.kernel.org/r/20200303051058.4089398-4-kuba@kernel.org
    Signed-off-by: Johannes Berg <johannes.berg@intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    net/wireless/nl80211.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/net/wireless/nl80211.c
    +++ b/net/wireless/nl80211.c
    @@ -426,6 +426,7 @@ static const struct nla_policy nl80211_p
    [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
    [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
    [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
    + [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
    [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
    [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
    [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },

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