staging: r8712u: Merging Realtek's latest (v2.6.6). Use stack, not malloc.

translate_scan() now uses the stack for some variables, instead of mallocing.

Signed-off-by: Ali Bahar <ali@internetDog.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index ec58b66..4522553 100644 (file)
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -169,10 +169,6 @@ static inline char *translate_scan(struct _adapter *padapter,
        struct iw_event iwe;
        struct ieee80211_ht_cap *pht_capie;
        char *current_val;
-       u8 *buf = (u8 *)_malloc(pnetwork->network.IELength * 2);
-       u8 *wpa_ie = (u8 *)_malloc(255);
-       u8 *rsn_ie = (u8 *)_malloc(255);
-       u8 *wps_ie = (u8 *)_malloc(MAX_WPS_IE_LEN);
        s8 *p;
        u32 i = 0, ht_ielen = 0;
        u16     cap, ht_cap = false, mcs_rate;
@@ -289,6 +285,8 @@ static inline char *translate_scan(struct _adapter *padapter,
                start = current_val;
        /* parsing WPA/WPA2 IE */
        {
+               u8 buf[MAX_WPA_IE_LEN];
+               u8 wpa_ie[255], rsn_ie[255];
                u16 wpa_len = 0, rsn_len = 0;
                int n;
                sint out_len = 0;
@@ -339,6 +337,7 @@ static inline char *translate_scan(struct _adapter *padapter,
        }
 
        { /* parsing WPS IE */
+               u8 wps_ie[512];
                uint wps_ielen;
 
                if (r8712_get_wps_ie(pnetwork->network.IEs,
@@ -363,10 +362,6 @@ static inline char *translate_scan(struct _adapter *padapter,
        iwe.u.qual.noise = 0; /* noise level */
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
        /* how to translate rssi to ?% */
-       kfree(buf);
-       kfree(wpa_ie);
-       kfree(rsn_ie);
-       kfree(wps_ie);
        return start;
 }