staging: ced1401: fix ced_stage_chunk()
authorLuca Ellero <luca.ellero@brickedbrain.com>
Thu, 10 Jul 2014 09:01:56 +0000 (11:01 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jul 2014 22:08:33 +0000 (15:08 -0700)
Rename camel case arguments and locals in function ced_stage_chunk()

Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/ced1401/usb1401.c

index 99c8d2facfe62def90daab83eaea34cc0ce4be15..e0d7aa070a2eb36a4f18644935dc5fef06abea8b 100644 (file)
@@ -757,16 +757,19 @@ static void staged_callback(struct urb *urb)
 ** Generates the next chunk of data making up a staged transfer.
 **
 ** The calling code must have acquired the staging spinlock before calling
-**  this function, and is responsible for releasing it. We are at callback level.
+** this function, and is responsible for releasing it. We are at callback level.
 ****************************************************************************/
 static int ced_stage_chunk(struct ced_data *ced)
 {
-       int iReturn = U14ERR_NOERROR;
-       unsigned int ChunkSize;
-       int nPipe = ced->staged_read ? 3 : 2;   /*  The pipe number to use for reads or writes */
+       int retval = U14ERR_NOERROR;
+       unsigned int chunk_size;
+       int pipe = ced->staged_read ? 3 : 2; /* The pipe number to use for */
+                                            /* reads or writes            */
+
        if (ced->n_pipes == 3)
-               nPipe--;        /*  Adjust for the 3-pipe case */
-       if (nPipe < 0)          /*  and trap case that should never happen */
+               pipe--; /* Adjust for the 3-pipe case */
+
+       if (pipe < 0)   /* and trap case that should never happen */
                return U14ERR_FAIL;
 
        if (!can_accept_io_requests(ced)) {     /*  got sudden remove? */
@@ -775,34 +778,40 @@ static int ced_stage_chunk(struct ced_data *ced)
                return U14ERR_FAIL;     /*  could do with a better error */
        }
 
-       ChunkSize = (ced->staged_length - ced->staged_done);    /*  transfer length remaining */
-       if (ChunkSize > STAGED_SZ)      /*  make sure to keep legal */
-               ChunkSize = STAGED_SZ;  /*   limit to max allowed */
+       /* transfer length remaining */
+       chunk_size = (ced->staged_length - ced->staged_done);
+       if (chunk_size > STAGED_SZ)     /*  make sure to keep legal */
+               chunk_size = STAGED_SZ; /*   limit to max allowed */
 
        if (!ced->staged_read)  /*  if writing... */
-               ced_copy_user_space(ced, ChunkSize);    /*  ...copy data into the buffer */
+               /* ...copy data into the buffer */
+               ced_copy_user_space(ced, chunk_size);
 
        usb_fill_bulk_urb(ced->staged_urb, ced->udev,
                          ced->staged_read ? usb_rcvbulkpipe(ced->udev,
                                                            ced->
-                                                           ep_addr[nPipe]) :
-                         usb_sndbulkpipe(ced->udev, ced->ep_addr[nPipe]),
-                                         ced->coher_staged_io, ChunkSize,
+                                                           ep_addr[pipe]) :
+                         usb_sndbulkpipe(ced->udev, ced->ep_addr[pipe]),
+                                         ced->coher_staged_io, chunk_size,
                                          staged_callback, ced);
        ced->staged_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-       usb_anchor_urb(ced->staged_urb, &ced->submitted);       /*  in case we need to kill it */
-       iReturn = usb_submit_urb(ced->staged_urb, GFP_ATOMIC);
-       if (iReturn) {
+       /* in case we need to kill it */
+       usb_anchor_urb(ced->staged_urb, &ced->submitted);
+       retval = usb_submit_urb(ced->staged_urb, GFP_ATOMIC);
+       if (retval) {
                usb_unanchor_urb(ced->staged_urb);      /*  kill it */
-               ced->pipe_error[nPipe] = 1;     /*  Flag an error to be handled later */
-               dev_err(&ced->interface->dev, "%s: submit urb failed, code %d\n",
-                       __func__, iReturn);
+               ced->pipe_error[pipe] = 1; /* Flag an error to be */
+                                          /* handled later       */
+               dev_err(&ced->interface->dev,
+                       "%s: submit urb failed, code %d\n",
+                       __func__, retval);
        } else
-               ced->staged_urb_pending = true; /*  Set the flag for staged URB pending */
+               /* Set the flag for staged URB pending */
+               ced->staged_urb_pending = true;
        dev_dbg(&ced->interface->dev, "%s: done so far:%d, this size:%d\n",
-               __func__, ced->staged_done, ChunkSize);
+               __func__, ced->staged_done, chunk_size);
 
-       return iReturn;
+       return retval;
 }
 
 /***************************************************************************