staging: ft1000-usb: Remove global flag DSP_loading.

This patch remove global flag DSP_loading which was checked
only on one place. Instead check return value for dsp_reload() function.

Signed-off-by: Marek Belisko <marek.belisko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/ft1000/ft1000-usb/ft1000_hw.c

@@ -685,7 +685,7 @@ void CardSendCommand(struct ft1000_device *ft1000dev, void *ptempbuffer, int siz
 //
 //  Returns:    None
 //-----------------------------------------------------------------------
-void dsp_reload (struct ft1000_device *ft1000dev)
+int dsp_reload(struct ft1000_device *ft1000dev)
 {
     u16 status;
     USHORT tempword;
@@ -696,7 +696,6 @@ void dsp_reload (struct ft1000_device *ft1000dev)
     pft1000info = netdev_priv(ft1000dev->net);
 
     pft1000info->CardReady = 0;
-    pft1000info->DSP_loading= 1;
 
     // Program Interrupt Mask register
     status = ft1000_write_register (ft1000dev, 0xffff, FT1000_REG_SUP_IMASK);
@@ -723,14 +722,13 @@ void dsp_reload (struct ft1000_device *ft1000dev)
     // call codeloader
     status = scram_dnldr(ft1000dev, pFileStart, FileLength);
 
-    if ( status != STATUS_SUCCESS)
-       return;
+	if (status != STATUS_SUCCESS)
+		return -EIO;
 
     msleep(1000);
-    pft1000info->DSP_loading= 0;
 
     DEBUG("dsp_reload returned\n");
-
+	return 0;
 
 }
 
@@ -1054,7 +1052,6 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
     pInfo->CurrentInterruptEnableMask = ISR_DEFAULT_MASK;
     pInfo->InterruptsEnabled = FALSE;
     pInfo->CardReady = 0;
-    pInfo->DSP_loading = 0;
     pInfo->DSP_TIME[0] = 0;
     pInfo->DSP_TIME[1] = 0;
     pInfo->DSP_TIME[2] = 0;
@@ -2252,7 +2249,6 @@ static int ft1000_dsp_prov(void *arg)
 
     info->fProvComplete = 1;
     info->CardReady = 1;
-    info->DSP_loading= 0;
     return STATUS_SUCCESS;
 
 }

drivers/staging/ft1000/ft1000-usb/ft1000_usb.c

@@ -182,18 +182,16 @@ static int ft1000_probe(struct usb_interface *interface, const struct usb_device
 //    DEBUG("In probe: pft1000info=%x\n", pft1000info);				// aelias [-] reason: warning: format ???%x??? expects type ???unsigned int???, but argument 2 has type ???struct FT1000_INFO *???
     DEBUG("In probe: pft1000info=%p\n", pft1000info);		// aelias [+] reason: up
 
-    dsp_reload(ft1000dev);
+	ret = dsp_reload(ft1000dev);
+	if (ret) {
+		printk(KERN_ERR "Problem with DSP image loading\n");
+		goto err_load;
+	}
+
     gPollingfailed = FALSE;  //mbelian
     pft1000info->pPollThread = kthread_run(ft1000_poll_thread, ft1000dev, "ft1000_poll");
 	msleep(500); //mbelian
 
-
-    if ( pft1000info->DSP_loading )
-    {
-        DEBUG("ERROR!!!! RETURN FROM ft1000_probe **********************\n");
-        return 0;
-    }
-
     while (!pft1000info->CardReady)
     {
         if ( gPollingfailed )
@@ -220,6 +218,8 @@ static int ft1000_probe(struct usb_interface *interface, const struct usb_device
 
        return 0;
 
+err_load:
+	kfree(pFileStart);
 err_fw:
 	kfree(ft1000dev);
 	return ret;

drivers/staging/ft1000/ft1000-usb/ft1000_usb.h

@@ -554,7 +554,6 @@ typedef struct _FT1000_INFO {
     int IOCTLBufLvl;
     int DeviceCreated;
     int CardReady;
-    int DSP_loading;
     int NetDevRegDone;
     u8 CardNumber;
     u8 DeviceName[15];
@@ -632,7 +631,7 @@ void ft1000_free_buffer (PDPRAM_BLK pdpram_blk, struct list_head *plist);
 
 char *getfw (char *fn, size_t *pimgsz);
 
-void dsp_reload(struct ft1000_device *ft1000dev);
+int dsp_reload(struct ft1000_device *ft1000dev);
 u16 init_ft1000_netdev(struct ft1000_device *ft1000dev);
 struct usb_interface;
 u16 reg_ft1000_netdev(struct ft1000_device *ft1000dev, struct usb_interface *intf);