staging: ced1401: fix ced_get_circ_block()
authorLuca Ellero <luca.ellero@brickedbrain.com>
Thu, 10 Jul 2014 09:04:11 +0000 (11:04 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jul 2014 22:10:06 +0000 (15:10 -0700)
Rename camel case arguments and locals in function ced_get_circ_block()

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

index efc1db903a3a3543f08454d9f4e8abc0d336804c..73ec4bc9c0414e9a5922d6f45ef938e17631f4d8 100644 (file)
@@ -1406,49 +1406,49 @@ int ced_set_circular(struct ced_data *ced,
 **
 ** Return the next available block of circularly-transferred data.
 ****************************************************************************/
-int ced_get_circ_block(struct ced_data *ced, TCIRCBLOCK __user *pCB)
+int ced_get_circ_block(struct ced_data *ced, TCIRCBLOCK __user *ucb)
 {
-       int iReturn = U14ERR_NOERROR;
-       unsigned int nArea;
+       int ret = U14ERR_NOERROR;
+       unsigned int area;
        TCIRCBLOCK cb;
 
        dev_dbg(&ced->interface->dev, "%s\n", __func__);
 
-       if (copy_from_user(&cb, pCB, sizeof(cb)))
+       if (copy_from_user(&cb, ucb, sizeof(cb)))
                return -EFAULT;
 
        mutex_lock(&ced->io_mutex);
 
-       nArea = cb.nArea;       /*  Retrieve parameters first */
+       area = cb.nArea;        /*  Retrieve parameters first */
        cb.dwOffset = 0;        /*  set default result (nothing) */
        cb.dwSize = 0;
 
-       if (nArea < MAX_TRANSAREAS) {   /*  The area number must be OK */
+       if (area < MAX_TRANSAREAS) {    /*  The area number must be OK */
                /* Pointer to relevant info */
-               struct transarea *pArea = &ced->trans_def[nArea];
+               struct transarea *ta = &ced->trans_def[area];
                spin_lock_irq(&ced->staged_lock);       /*  Lock others out */
 
-               if ((pArea->used) && (pArea->circular) &&       /*  Must be circular area */
-                   (pArea->circ_to_host)) {    /*  For now at least must be to host */
-                       if (pArea->blocks[0].size > 0) {        /*  Got anything? */
-                               cb.dwOffset = pArea->blocks[0].offset;
-                               cb.dwSize = pArea->blocks[0].size;
+               if ((ta->used) && (ta->circular) && /* Must be circular area */
+                   (ta->circ_to_host)) { /* For now at least must be to host */
+                       if (ta->blocks[0].size > 0) {   /*  Got anything? */
+                               cb.dwOffset = ta->blocks[0].offset;
+                               cb.dwSize = ta->blocks[0].size;
                                dev_dbg(&ced->interface->dev,
                                        "%s: return block 0: %d bytes at %d\n",
                                        __func__, cb.dwSize, cb.dwOffset);
                        }
                } else
-                       iReturn = U14ERR_NOTSET;
+                       ret = U14ERR_NOTSET;
 
                spin_unlock_irq(&ced->staged_lock);
        } else
-               iReturn = U14ERR_BADAREA;
+               ret = U14ERR_BADAREA;
 
-       if (copy_to_user(pCB, &cb, sizeof(cb)))
-               iReturn = -EFAULT;
+       if (copy_to_user(ucb, &cb, sizeof(cb)))
+               ret = -EFAULT;
 
        mutex_unlock(&ced->io_mutex);
-       return iReturn;
+       return ret;
 }
 
 /****************************************************************************
index a0d19aa6112747b2706bffa8451b6fe25e6e8b3c..2dd4d922bd72315e9c0dfc9a9d4263766fa4879f 100644 (file)
@@ -253,7 +253,7 @@ extern int ced_dbg_get_data(struct ced_data *ced, TDBGBLOCK __user *udb);
 extern int ced_dbg_stop_loop(struct ced_data *ced);
 extern int ced_set_circular(struct ced_data *ced,
                            struct transfer_area_desc __user *utd);
-extern int ced_get_circ_block(struct ced_data *ced, TCIRCBLOCK __user *pCB);
+extern int ced_get_circ_block(struct ced_data *ced, TCIRCBLOCK __user *ucb);
 extern int ced_free_circ_block(struct ced_data *ced, TCIRCBLOCK __user *pCB);
 extern int ced_wait_event(struct ced_data *ced, int area, int time_out);
 extern int ced_test_event(struct ced_data *ced, int area);