Staging: lustre: libcfs: Remove unnecessary cast on void*

This patch does away with the cast on void * as it is unnecessary.

Semantic patch used is as follows:

@r@
expression x;
void* e;
type T;
identifier f;
@@
(
  *((T *)e)
|
  ((T *)x)[...]
|
  ((T *)x)->f
|
- (void *)
  e
)
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/libcfs/module.c

@@ -335,7 +335,7 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, void *a
 		return -ENOMEM;
 
 	/* 'cmd' and permissions get checked in our arch-specific caller */
-	if (libcfs_ioctl_getdata(buf, buf + 800, (void *)arg)) {
+	if (libcfs_ioctl_getdata(buf, buf + 800, arg)) {
 		CERROR("PORTALS ioctl: data error\n");
 		err = -EINVAL;
 		goto out;