staging: rtl8188eu: fix sparse signedness warnings in rtw_get_ie

Changed the type of len from (int *) to (unsigned int *) in the
function rtw_get_ie(..) and wherever this function is called to
suppress signedness mismatch warnings of the type-

drivers/staging/rtl8188eu//core/rtw_ap.c:78:60: warning: incorrect type
in argument 3 (different signedness)
drivers/staging/rtl8188eu//core/rtw_ap.c:78:60:    expected int *len
drivers/staging/rtl8188eu//core/rtw_ap.c:78:60:    got unsigned int
*<noident>

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

5 files changed, 16 insertions, 17 deletions

diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 3fa6af208b91..91156a21b8f2 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -719,7 +719,7 @@ static void start_bss_network(struct adapter *padapter, u8 *pbuf)
         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
         u16 bcn_interval;
         u32     acparm;
-        int     ie_len;
+        uint    ie_len;
         struct registry_priv     *pregpriv = &padapter->registrypriv;
         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
         struct security_priv *psecuritypriv = &padapter->securitypriv;
diff --git a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
index d1cd34011602..f55b38f35ca3 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
@@ -158,7 +158,7 @@ u8 *rtw_set_ie
 /*----------------------------------------------------------------------------
 index: the information element id index, limit is the limit for search
 -----------------------------------------------------------------------------*/
-u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit)
+u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit)
 {
         int tmp, i;
         u8 *p;
@@ -293,7 +293,7 @@ int rtw_generate_ie(struct registry_priv *pregistrypriv)
 
 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
 {
-        int len;
+        uint len;
         u16 val16;
         __le16 le_tmp;
         unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
@@ -331,7 +331,7 @@ check_next_ie:
         return NULL;
 }
 
-unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit)
+unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit)
 {
 
         return rtw_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
@@ -1000,7 +1000,7 @@ int ieee80211_get_hdrlen(u16 fc)
 
 static int rtw_get_cipher_info(struct wlan_network *pnetwork)
 {
-        int wpa_ielen;
+        uint wpa_ielen;
         unsigned char *pbuf;
         int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
         int ret = _FAIL;
@@ -1045,7 +1045,7 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork)
         __le16 le_tmp;
         u16 wpa_len = 0, rsn_len = 0;
         struct HT_info_element *pht_info = NULL;
-        int len;
+        uint len;
         unsigned char           *p;
 
         memcpy(&le_tmp, rtw_get_capability_from_ie(pnetwork->network.IEs), 2);
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
index 30dd4edd1026..88a3a2b9c144 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
@@ -286,7 +286,7 @@ static s32 dump_mgntframe_and_wait_ack(struct adapter *padapter,
 static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode)
 {
         u8 *ssid_ie;
-        int ssid_len_ori;
+        uint ssid_len_ori;
         int len_diff = 0;
 
         ssid_ie = rtw_get_ie(ies,  WLAN_EID_SSID, &ssid_len_ori, ies_len);
@@ -1786,7 +1786,7 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter)
                 plist = phead->next;
 
                 while (phead != plist) {
-                        int len;
+                        uint len;
                         u8 *p;
                         struct wlan_bssid_ex *pbss_network;
 
@@ -2556,7 +2556,7 @@ static unsigned int OnProbeReq(struct adapter *padapter,
             !check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
                 return _SUCCESS;
 
-        p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, (int *)&ielen,
+        p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, &ielen,
                         len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
 
         /* check (wildcard) SSID */
@@ -2793,7 +2793,7 @@ static unsigned int OnAuth(struct adapter *padapter,
                         /* checking for challenging txt... */
                         DBG_88E("checking for challenging txt...\n");
 
-                        p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&ie_len,
+                        p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, &ie_len,
                                         len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4);
 
                         if ((p == NULL) || (ie_len <= 0)) {
@@ -2887,7 +2887,7 @@ static unsigned int OnAuthClient(struct adapter *padapter,
         if (seq == 2) {
                 if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) {
                         /*  legendary shared system */
-                        p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&len,
+                        p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, &len,
                                 pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_);
 
                         if (p == NULL)
@@ -2931,7 +2931,7 @@ static unsigned int OnAssocReq(struct adapter *padapter,
         struct sta_info *pstat;
         unsigned char           reassoc, *p, *pos, *wpa_ie;
         unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
-        int             i, ie_len, wpa_ie_len, left;
+        int             i, wpa_ie_len, left;
         unsigned char           supportRate[16];
         int                                     supportRateNum;
         unsigned short          status = _STATS_SUCCESSFUL_;
@@ -2943,7 +2943,7 @@ static unsigned int OnAssocReq(struct adapter *padapter,
         struct wlan_bssid_ex *cur = &(pmlmeinfo->network);
         struct sta_priv *pstapriv = &padapter->stapriv;
         u8 *pframe = precv_frame->pkt->data;
-        uint pkt_len = precv_frame->pkt->len;
+        uint ie_len, pkt_len = precv_frame->pkt->len;
 
         if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
                 return _FAIL;
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index 1470a2eb506d..be2f46eb9f78 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -1139,9 +1139,8 @@ s32 rtw_put_snap(u8 *data, u16 h_proto)
 
 void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
 {
-        uint    protection;
+        uint    protection, erp_len;
         u8      *perp;
-        int      erp_len;
         struct  xmit_priv *pxmitpriv = &padapter->xmitpriv;
         struct  registry_priv *pregistrypriv = &padapter->registrypriv;
 
diff --git a/drivers/staging/rtl8188eu/include/ieee80211.h b/drivers/staging/rtl8188eu/include/ieee80211.h
index fc58621368c1..b3f331aa381e 100644
--- a/drivers/staging/rtl8188eu/include/ieee80211.h
+++ b/drivers/staging/rtl8188eu/include/ieee80211.h
@@ -857,12 +857,12 @@ enum secondary_ch_offset {
         SCB = 3,  /* secondary channel below */
 };
 
-u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit);
+u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit);
 
 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
 
 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
-unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
+unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit);
 int rtw_get_wpa_cipher_suite(u8 *s);
 int rtw_get_wpa2_cipher_suite(u8 *s);
 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);