add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/scsi_trace.c
..
..
@@ -1,19 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * Copyright (C) 2010 FUJITSU LIMITED
3
4
  * Copyright (C) 2010 Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
4
- *
5
- * This program is free software; you can redistribute it and/or modify
6
- * it under the terms of the GNU General Public License version 2 as
7
- * published by the Free Software Foundation.
8
- *
9
- * This program is distributed in the hope that it will be useful,
10
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
11
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
- * GNU General Public License for more details.
13
- *
14
- * You should have received a copy of the GNU General Public License
15
- * along with this program; if not, write to the Free Software
16
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17
5
  */
18
6
 #include <linux/kernel.h>
19
7
 #include <linux/trace_seq.h>
..
..
@@ -30,11 +18,9 @@
30
18
 scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len)
31
19
 {
32
20
 	const char *ret = trace_seq_buffer_ptr(p);
33
-	u32 lba = 0, txlen;
21
+	u32 lba, txlen;
34
22
 
35
-	lba |= ((cdb[1] & 0x1F) << 16);
36
-	lba |=  (cdb[2] << 8);
37
-	lba |=   cdb[3];
23
+	lba = get_unaligned_be24(&cdb[1]) & 0x1fffff;
38
24
 	/*
39
25
 	 * From SBC-2: a TRANSFER LENGTH field set to zero specifies that 256
40
26
 	 * logical blocks shall be read (READ(6)) or written (WRITE(6)).