1 files changed, 2 insertions, 54 deletions

diff --git a/drivers/infiniband/hw/hfi1/fault.c b/drivers/infiniband/hw/hfi1/fault.c
index 0dfbcfb048ca..a45cbffd52c7 100644
--- a/drivers/infiniband/hw/hfi1/fault.c
+++ b/drivers/infiniband/hw/hfi1/fault.c
@@ -1,53 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2018 Intel Corporation.
- *
- * This file is provided under a dual BSD/GPLv2 license.  When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * BSD LICENSE
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *  - Redistributions of source code must retain the above copyright
- *    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
- *    distribution.
- *  - Neither the name of Intel Corporation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 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 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 SUCH DAMAGE.
- *
  */
+
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/bitmap.h>
 
@@ -146,9 +104,6 @@ static ssize_t fault_opcodes_write(struct file *file, const char __user *buf,
 		goto free_data;
 	}
 
-	ret = debugfs_file_get(file->f_path.dentry);
-	if (unlikely(ret))
-		goto free_data;
 	ptr = data;
 	token = ptr;
 	for (ptr = data; *ptr; ptr = end + 1, token = ptr) {
@@ -196,7 +151,6 @@ static ssize_t fault_opcodes_write(struct file *file, const char __user *buf,
 	}
 	ret = len;
 
-	debugfs_file_put(file->f_path.dentry);
 free_data:
 	kfree(data);
 	return ret;
@@ -215,9 +169,6 @@ static ssize_t fault_opcodes_read(struct file *file, char __user *buf,
 	data = kcalloc(datalen, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
-	ret = debugfs_file_get(file->f_path.dentry);
-	if (unlikely(ret))
-		goto free_data;
 	bit = find_first_bit(fault->opcodes, bitsize);
 	while (bit < bitsize) {
 		zero = find_next_zero_bit(fault->opcodes, bitsize, bit);
@@ -231,11 +182,9 @@ static ssize_t fault_opcodes_read(struct file *file, char __user *buf,
 					 bit);
 		bit = find_next_bit(fault->opcodes, bitsize, zero);
 	}
-	debugfs_file_put(file->f_path.dentry);
 	data[size - 1] = '\n';
 	data[size] = '\0';
 	ret = simple_read_from_buffer(buf, len, pos, data, size);
-free_data:
 	kfree(data);
 	return ret;
 }
@@ -245,7 +194,6 @@ static const struct file_operations __fault_opcodes_fops = {
 	.open = fault_opcodes_open,
 	.read = fault_opcodes_read,
 	.write = fault_opcodes_write,
-	.llseek = no_llseek
 };
 
 void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd)