From 0a233c98a8e933a65aec07663d3a2953c7642bbc Mon Sep 17 00:00:00 2001 From: Andreas Fenkart Date: Thu, 10 Mar 2016 09:44:05 +0100 Subject: [PATCH] mwifiex: scan: simplify dereference of bss_desc fields given this structure: struct foo { struct bar { int baz; } } these accesses are equivalent: (*(foo->bar)).baz foo->bar->baz Signed-off-by: Andreas Fenkart Signed-off-by: Kalle Valo --- drivers/net/wireless/marvell/mwifiex/scan.c | 98 ++++++++++----------- 1 file changed, 46 insertions(+), 52 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 624b0a95c64e..99026cef3179 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -121,8 +121,8 @@ mwifiex_is_rsn_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher) struct ie_body *iebody; u8 ret = MWIFIEX_OUI_NOT_PRESENT; - if (((bss_desc->bcn_rsn_ie) && ((*(bss_desc->bcn_rsn_ie)). - ieee_hdr.element_id == WLAN_EID_RSN))) { + if (bss_desc->bcn_rsn_ie && + bss_desc->bcn_rsn_ie->ieee_hdr.element_id == WLAN_EID_RSN) { iebody = (struct ie_body *) (((u8 *) bss_desc->bcn_rsn_ie->data) + RSN_GTK_OUI_OFFSET); @@ -148,9 +148,9 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher) struct ie_body *iebody; u8 ret = MWIFIEX_OUI_NOT_PRESENT; - if (((bss_desc->bcn_wpa_ie) && - ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id == - WLAN_EID_VENDOR_SPECIFIC))) { + if (bss_desc->bcn_wpa_ie && + bss_desc->bcn_wpa_ie->vend_hdr.element_id == + WLAN_EID_VENDOR_SPECIFIC) { iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data; oui = &mwifiex_wpa_oui[cipher][0]; ret = mwifiex_search_oui_in_ie(iebody, oui); @@ -181,8 +181,8 @@ mwifiex_is_bss_wapi(struct mwifiex_private *priv, { if (priv->sec_info.wapi_enabled && (bss_desc->bcn_wapi_ie && - ((*(bss_desc->bcn_wapi_ie)).ieee_hdr.element_id == - WLAN_EID_BSS_AC_ACCESS_DELAY))) { + bss_desc->bcn_wapi_ie->ieee_hdr.element_id == + WLAN_EID_BSS_AC_ACCESS_DELAY)) { return true; } return false; @@ -197,12 +197,12 @@ mwifiex_is_bss_no_sec(struct mwifiex_private *priv, struct mwifiex_bssdescriptor *bss_desc) { if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && - !priv->sec_info.wpa2_enabled && ((!bss_desc->bcn_wpa_ie) || - ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id != - WLAN_EID_VENDOR_SPECIFIC)) && - ((!bss_desc->bcn_rsn_ie) || - ((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id != - WLAN_EID_RSN)) && + !priv->sec_info.wpa2_enabled && + (!bss_desc->bcn_wpa_ie || + bss_desc->bcn_wpa_ie->vend_hdr.element_id != + WLAN_EID_VENDOR_SPECIFIC) && + (!bss_desc->bcn_rsn_ie || + bss_desc->bcn_rsn_ie->ieee_hdr.element_id != WLAN_EID_RSN) && !priv->sec_info.encryption_mode && !bss_desc->privacy) { return true; } @@ -233,9 +233,10 @@ mwifiex_is_bss_wpa(struct mwifiex_private *priv, struct mwifiex_bssdescriptor *bss_desc) { if (!priv->sec_info.wep_enabled && priv->sec_info.wpa_enabled && - !priv->sec_info.wpa2_enabled && ((bss_desc->bcn_wpa_ie) && - ((*(bss_desc->bcn_wpa_ie)). - vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC)) + !priv->sec_info.wpa2_enabled && + (bss_desc->bcn_wpa_ie && + bss_desc->bcn_wpa_ie->vend_hdr.element_id == + WLAN_EID_VENDOR_SPECIFIC) /* * Privacy bit may NOT be set in some APs like * LinkSys WRT54G && bss_desc->privacy @@ -245,12 +246,10 @@ mwifiex_is_bss_wpa(struct mwifiex_private *priv, "info: %s: WPA:\t" "wpa_ie=%#x wpa2_ie=%#x WEP=%s WPA=%s WPA2=%s\t" "EncMode=%#x privacy=%#x\n", __func__, - (bss_desc->bcn_wpa_ie) ? - (*bss_desc->bcn_wpa_ie). - vend_hdr.element_id : 0, - (bss_desc->bcn_rsn_ie) ? - (*bss_desc->bcn_rsn_ie). - ieee_hdr.element_id : 0, + bss_desc->bcn_wpa_ie ? + bss_desc->bcn_wpa_ie->vend_hdr.element_id : 0, + bss_desc->bcn_rsn_ie ? + bss_desc->bcn_rsn_ie->ieee_hdr.element_id : 0, (priv->sec_info.wep_enabled) ? "e" : "d", (priv->sec_info.wpa_enabled) ? "e" : "d", (priv->sec_info.wpa2_enabled) ? "e" : "d", @@ -269,11 +268,10 @@ static bool mwifiex_is_bss_wpa2(struct mwifiex_private *priv, struct mwifiex_bssdescriptor *bss_desc) { - if (!priv->sec_info.wep_enabled && - !priv->sec_info.wpa_enabled && + if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && priv->sec_info.wpa2_enabled && - ((bss_desc->bcn_rsn_ie) && - ((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id == WLAN_EID_RSN))) { + (bss_desc->bcn_rsn_ie && + bss_desc->bcn_rsn_ie->ieee_hdr.element_id == WLAN_EID_RSN)) { /* * Privacy bit may NOT be set in some APs like * LinkSys WRT54G && bss_desc->privacy @@ -282,12 +280,10 @@ mwifiex_is_bss_wpa2(struct mwifiex_private *priv, "info: %s: WPA2:\t" "wpa_ie=%#x wpa2_ie=%#x WEP=%s WPA=%s WPA2=%s\t" "EncMode=%#x privacy=%#x\n", __func__, - (bss_desc->bcn_wpa_ie) ? - (*bss_desc->bcn_wpa_ie). - vend_hdr.element_id : 0, - (bss_desc->bcn_rsn_ie) ? - (*bss_desc->bcn_rsn_ie). - ieee_hdr.element_id : 0, + bss_desc->bcn_wpa_ie ? + bss_desc->bcn_wpa_ie->vend_hdr.element_id : 0, + bss_desc->bcn_rsn_ie ? + bss_desc->bcn_rsn_ie->ieee_hdr.element_id : 0, (priv->sec_info.wep_enabled) ? "e" : "d", (priv->sec_info.wpa_enabled) ? "e" : "d", (priv->sec_info.wpa2_enabled) ? "e" : "d", @@ -308,11 +304,11 @@ mwifiex_is_bss_adhoc_aes(struct mwifiex_private *priv, { if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && !priv->sec_info.wpa2_enabled && - ((!bss_desc->bcn_wpa_ie) || - ((*(bss_desc->bcn_wpa_ie)). - vend_hdr.element_id != WLAN_EID_VENDOR_SPECIFIC)) && - ((!bss_desc->bcn_rsn_ie) || - ((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id != WLAN_EID_RSN)) && + (!bss_desc->bcn_wpa_ie || + bss_desc->bcn_wpa_ie->vend_hdr.element_id != + WLAN_EID_VENDOR_SPECIFIC) && + (!bss_desc->bcn_rsn_ie || + bss_desc->bcn_rsn_ie->ieee_hdr.element_id != WLAN_EID_RSN) && !priv->sec_info.encryption_mode && bss_desc->privacy) { return true; } @@ -329,23 +325,21 @@ mwifiex_is_bss_dynamic_wep(struct mwifiex_private *priv, { if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && !priv->sec_info.wpa2_enabled && - ((!bss_desc->bcn_wpa_ie) || - ((*(bss_desc->bcn_wpa_ie)). - vend_hdr.element_id != WLAN_EID_VENDOR_SPECIFIC)) && - ((!bss_desc->bcn_rsn_ie) || - ((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id != WLAN_EID_RSN)) && + (!bss_desc->bcn_wpa_ie || + bss_desc->bcn_wpa_ie->vend_hdr.element_id != + WLAN_EID_VENDOR_SPECIFIC) && + (!bss_desc->bcn_rsn_ie || + bss_desc->bcn_rsn_ie->ieee_hdr.element_id != WLAN_EID_RSN) && priv->sec_info.encryption_mode && bss_desc->privacy) { mwifiex_dbg(priv->adapter, INFO, "info: %s: dynamic\t" "WEP: wpa_ie=%#x wpa2_ie=%#x\t" "EncMode=%#x privacy=%#x\n", __func__, - (bss_desc->bcn_wpa_ie) ? - (*bss_desc->bcn_wpa_ie). - vend_hdr.element_id : 0, - (bss_desc->bcn_rsn_ie) ? - (*bss_desc->bcn_rsn_ie). - ieee_hdr.element_id : 0, + bss_desc->bcn_wpa_ie ? + bss_desc->bcn_wpa_ie->vend_hdr.element_id : 0, + bss_desc->bcn_rsn_ie ? + bss_desc->bcn_rsn_ie->ieee_hdr.element_id : 0, priv->sec_info.encryption_mode, bss_desc->privacy); return true; @@ -464,10 +458,10 @@ mwifiex_is_network_compatible(struct mwifiex_private *priv, "info: %s: failed: wpa_ie=%#x wpa2_ie=%#x WEP=%s\t" "WPA=%s WPA2=%s EncMode=%#x privacy=%#x\n", __func__, - (bss_desc->bcn_wpa_ie) ? - (*bss_desc->bcn_wpa_ie).vend_hdr.element_id : 0, - (bss_desc->bcn_rsn_ie) ? - (*bss_desc->bcn_rsn_ie).ieee_hdr.element_id : 0, + bss_desc->bcn_wpa_ie ? + bss_desc->bcn_wpa_ie->vend_hdr.element_id : 0, + bss_desc->bcn_rsn_ie ? + bss_desc->bcn_rsn_ie->ieee_hdr.element_id : 0, (priv->sec_info.wep_enabled) ? "e" : "d", (priv->sec_info.wpa_enabled) ? "e" : "d", (priv->sec_info.wpa2_enabled) ? "e" : "d", -- 2.20.1