Remove trailing whitespaces

Change-Id: I6f83333a6ee0fbc562a12bb9555c43a44c98768e
diff --git a/fastboot/usb_linux.c b/fastboot/usb_linux.c
index cbc64e4..85187de 100644
--- a/fastboot/usb_linux.c
+++ b/fastboot/usb_linux.c
@@ -9,7 +9,7 @@
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the 
+ *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
@@ -19,7 +19,7 @@
  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
@@ -66,7 +66,7 @@
  */
 #define MAX_USBFS_BULK_SIZE (16 * 1024)
 
-struct usb_handle 
+struct usb_handle
 {
     char fname[64];
     int desc;
@@ -85,12 +85,12 @@
 static int check(void *_desc, int len, unsigned type, int size)
 {
     unsigned char *desc = _desc;
-    
+
     if(len < size) return -1;
     if(desc[0] < size) return -1;
     if(desc[0] > len) return -1;
     if(desc[1] != type) return -1;
-    
+
     return 0;
 }
 
@@ -103,30 +103,30 @@
     struct usb_interface_descriptor *ifc;
     struct usb_endpoint_descriptor *ept;
     struct usb_ifc_info info;
-    
+
     int in, out;
     unsigned i;
     unsigned e;
-    
+
     if(check(ptr, len, USB_DT_DEVICE, USB_DT_DEVICE_SIZE))
         return -1;
     dev = (void*) ptr;
     len -= dev->bLength;
     ptr += dev->bLength;
-    
+
     if(check(ptr, len, USB_DT_CONFIG, USB_DT_CONFIG_SIZE))
         return -1;
     cfg = (void*) ptr;
     len -= cfg->bLength;
     ptr += cfg->bLength;
-    
+
     info.dev_vendor = dev->idVendor;
     info.dev_product = dev->idProduct;
     info.dev_class = dev->bDeviceClass;
     info.dev_subclass = dev->bDeviceSubClass;
     info.dev_protocol = dev->bDeviceProtocol;
     info.writable = writable;
-    
+
     // read device serial number (if there is one)
     info.serial_number[0] = 0;
     if (dev->iSerialNumber) {
@@ -162,23 +162,23 @@
         ifc = (void*) ptr;
         len -= ifc->bLength;
         ptr += ifc->bLength;
-        
+
         in = -1;
         out = -1;
         info.ifc_class = ifc->bInterfaceClass;
         info.ifc_subclass = ifc->bInterfaceSubClass;
         info.ifc_protocol = ifc->bInterfaceProtocol;
-        
+
         for(e = 0; e < ifc->bNumEndpoints; e++) {
             if(check(ptr, len, USB_DT_ENDPOINT, USB_DT_ENDPOINT_SIZE))
                 return -1;
             ept = (void*) ptr;
             len -= ept->bLength;
             ptr += ept->bLength;
-    
+
             if((ept->bmAttributes & 0x03) != 0x02)
                 continue;
-            
+
             if(ept->bEndpointAddress & 0x80) {
                 in = ept->bEndpointAddress;
             } else {
@@ -188,7 +188,7 @@
 
         info.has_bulk_in = (in != -1);
         info.has_bulk_out = (out != -1);
-        
+
         if(callback(&info) == 0) {
             *ept_in_id = in;
             *ept_out_id = out;
@@ -206,25 +206,25 @@
     char busname[64], devname[64];
     char desc[1024];
     int n, in, out, ifc;
-    
+
     DIR *busdir, *devdir;
     struct dirent *de;
     int fd;
     int writable;
-    
+
     busdir = opendir(base);
     if(busdir == 0) return 0;
 
     while((de = readdir(busdir)) && (usb == 0)) {
         if(badname(de->d_name)) continue;
-        
+
         sprintf(busname, "%s/%s", base, de->d_name);
         devdir = opendir(busname);
         if(devdir == 0) continue;
-        
+
 //        DBG("[ scanning %s ]\n", busname);
         while((de = readdir(devdir)) && (usb == 0)) {
-            
+
             if(badname(de->d_name)) continue;
             sprintf(devname, "%s/%s", busname, de->d_name);
 
@@ -240,7 +240,7 @@
             }
 
             n = read(fd, desc, sizeof(desc));
-            
+
             if(filter_usb_device(fd, desc, n, writable, callback,
                                  &in, &out, &ifc) == 0) {
                 usb = calloc(1, sizeof(usb_handle));
@@ -277,13 +277,13 @@
     if(h->ep_out == 0) {
         return -1;
     }
-    
+
     if(len == 0) {
         bulk.ep = h->ep_out;
         bulk.len = 0;
         bulk.data = data;
         bulk.timeout = 0;
-        
+
         n = ioctl(h->desc, USBDEVFS_BULK, &bulk);
         if(n != 0) {
             fprintf(stderr,"ERROR: n = %d, errno = %d (%s)\n",
@@ -292,16 +292,16 @@
         }
         return 0;
     }
-    
+
     while(len > 0) {
         int xfer;
         xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
-        
+
         bulk.ep = h->ep_out;
         bulk.len = xfer;
         bulk.data = data;
         bulk.timeout = 0;
-        
+
         n = ioctl(h->desc, USBDEVFS_BULK, &bulk);
         if(n != xfer) {
             DBG("ERROR: n = %d, errno = %d (%s)\n",
@@ -327,10 +327,10 @@
     if(h->ep_in == 0) {
         return -1;
     }
-    
+
     while(len > 0) {
         int xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
-        
+
         bulk.ep = h->ep_in;
         bulk.len = xfer;
         bulk.data = data;
@@ -353,12 +353,12 @@
         count += n;
         len -= n;
         data += n;
-        
+
         if(n < xfer) {
             break;
         }
     }
-    
+
     return count;
 }
 
@@ -377,7 +377,7 @@
 int usb_close(usb_handle *h)
 {
     int fd;
-    
+
     fd = h->desc;
     h->desc = -1;
     if(fd >= 0) {