staging: lustre: Remove unnecessary 'return'

Remove unnecessary void return at the end of a function. Issue detected
by checkpatch.
Signed-off-by: Rehas Sachdeva <aquannie@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/llite/rw.c

@@ -667,7 +667,6 @@ static void ras_update_stride_detector(struct ll_readahead_state *ras,
 	ras->ras_stride_length = stride_gap + ras->ras_consecutive_pages;
 
 	RAS_CDEBUG(ras);
-	return;
 }
 
 /* Stride Read-ahead window will be increased inc_len according to
@@ -883,7 +882,6 @@ void ras_update(struct ll_sb_info *sbi, struct inode *inode,
 	RAS_CDEBUG(ras);
 	ras->ras_request_index++;
 	spin_unlock(&ras->ras_lock);
-	return;
 }
 
 int ll_writepage(struct page *vmpage, struct writeback_control *wbc)