Use the struct mgmt to read the action_code. This is much simpler than parsing the message ourselves. Add a comment about reading the action code. All members of the action enum start with an action_code byte. It does not matter which member we use. Signed-off-by: Martin Kaiser <martin@xxxxxxxxx> --- drivers/staging/r8188eu/core/rtw_mlme_ext.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c index 40539fa3b5a2..b3cef3504ad3 100644 --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c @@ -3813,24 +3813,16 @@ static unsigned int on_action_public_default(struct recv_frame *precv_frame) static void on_action_public(struct adapter *padapter, struct recv_frame *precv_frame) { struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)precv_frame->rx_data; - unsigned int ret = _FAIL; - u8 *pframe = precv_frame->rx_data; - u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr); - u8 action; /* check RA matches or not */ if (memcmp(myid(&padapter->eeprompriv), mgmt->da, ETH_ALEN)) return; - action = frame_body[1]; - switch (action) { - case ACT_PUBLIC_VENDOR: - ret = on_action_public_vendor(precv_frame); - break; - default: - ret = on_action_public_default(precv_frame); - break; - } + /* All members of the action enum start with action_code. */ + if (mgmt->u.action.u.s1g.action_code == WLAN_PUB_ACTION_VENDOR_SPECIFIC) + on_action_public_vendor(precv_frame); + else + on_action_public_default(precv_frame); } static void OnAction_p2p(struct adapter *padapter, struct recv_frame *precv_frame) -- 2.30.2