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OpenCloudOS-Kernel
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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 <afenkart@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Andreas Fenkart 2016-03-10 09:44:05 +01:00 committed by Kalle Valo
parent 84349698f0
commit 0a233c98a8
1 changed files with 46 additions and 52 deletions
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98
drivers/net/wireless/marvell/mwifiex/scan.c
View File

@ -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",