--- linux-2.6.30.9/drivers/net/wireless/rtl8192cd/8192cd_ioctl.c	2013-06-29 15:37:41.982461999 +0300
+++ linux-2.6.30.9/drivers/net/wireless/rtl8192cd/8192cd_ioctl.c	2013-07-01 17:53:46.747055454 +0300
@@ -1537,19 +1537,26 @@
 
 static struct iwpriv_arg *get_tbl_entry(char *pstr)
 {
-	int i=0;
+	if ( !pstr )
+		return NULL;
+
+	int i = 0;
 	int arg_num = sizeof(mib_table)/sizeof(struct iwpriv_arg);
-	char name[128];
+	char name[sizeof(mib_table[i].name)];
+	memset( name, 0, sizeof name );
 
-	while (*pstr && *pstr != '=')
-		name[i++] = *pstr++;
-	name[i] = '\0';
+	for ( *pstr; i < sizeof(name); *pstr++ ) {
+		if ( *pstr == '=')
+			break;
+		name[i] = *pstr;
+		i++;
+	}
 
-	for (i=0; i<arg_num; i++) {
-		if (!strcmp(name, mib_table[i].name)) {
+	for ( i = 0; i < arg_num; i++ ) {
+		if ( !strncmp( name, mib_table[i].name, sizeof(name) ) )
 			return &mib_table[i];
-		}
 	}
+
 	return NULL;
 }