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    Subject[PATCH 3.19 019/175] iwlwifi: mvm: fix failure path when power_update fails in add_interface
    Date
    3.19-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Luciano Coelho <luciano.coelho@intel.com>

    commit fd66fc1cafd72ddf27dbec3a5e29e99839d1bc84 upstream.

    When iwl_mvm_power_update_mac() is called, we have already added the
    mac context, so if this call fails we should remove the mac.

    Fixes: commit e5e7aa8e2561 ('iwlwifi: mvm: refactor power code')
    Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
    Reviewed-by: Johannes Berg <johannes.berg@intel.com>
    Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/net/wireless/iwlwifi/mvm/mac80211.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
    +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
    @@ -1146,7 +1146,7 @@ static int iwl_mvm_mac_add_interface(str

    ret = iwl_mvm_power_update_mac(mvm);
    if (ret)
    - goto out_release;
    + goto out_remove_mac;

    /* beacon filtering */
    ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);



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