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Jacob Keller bf08b76890 namespace: fix namespace.pl script to support relative paths 
[ Upstream commit 82fdd12b95 ]

The namespace.pl script does not work properly if objtree is not set to
an absolute path. The do_nm function is run from within the find
function, which changes directories.

Because of this, appending objtree, $File::Find::dir, and $source, will
return a path which is not valid from the current directory.

This used to work when objtree was set to an absolute path when using
"make namespacecheck". It appears to have not worked when calling
./scripts/namespace.pl directly.

This behavior was changed in 7e1c04779e ("kbuild: Use relative path
for $(objtree)", 2014-05-14)

Rather than fixing the Makefile to set objtree to an absolute path, just
fix namespace.pl to work when srctree and objtree are relative. Also fix
the script to use an absolute path for these by default.

Use the File::Spec module for this purpose. It's been part of perl
5 since 5.005.

The curdir() function is used to get the current directory when the
objtree and srctree aren't set in the environment.

rel2abs() is used to convert possibly relative objtree and srctree
environment variables to absolute paths.

Finally, the catfile() function is used instead of string appending
paths together, since this is more robust when joining paths together.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2019-10-29 09:16:59 +01:00
Documentation USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:43:20 -07:00
arch mips: Loongson: Fix the link time qualifier of 'serial_exit()' 2019-10-29 09:16:58 +01:00
block blk-mq: move cancel of requeue_work to the front of blk_exit_queue 2019-10-05 12:47:37 +02:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: skcipher - Unmap pages after an external error 2019-10-11 18:18:32 +02:00
drivers r8152: Set macpassthru in reset_resume callback 2019-10-29 09:16:59 +01:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs xfs: clear sb->s_fs_info on mount failure 2019-10-17 13:44:03 -07:00
include cfg80211: Use const more consistently in for_each_element macros 2019-10-11 18:18:49 +02:00
init init: initialize jump labels before command line option parsing 2019-05-16 19:42:23 +02:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-08-06 19:05:24 +02:00
kernel tracing: Get trace_array reference for available_tracers files 2019-10-17 13:44:00 -07:00
lib kmemleak: increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE default to 16K 2019-10-07 18:55:15 +02:00
mm usercopy: Avoid HIGHMEM pfn warning 2019-10-11 18:18:34 +02:00
net mac80211: fix txq null pointer dereference 2019-10-29 09:16:57 +01:00
samples samples, bpf: fix to change the buffer size for read() 2019-07-21 09:04:17 +02:00
scripts namespace: fix namespace.pl script to support relative paths 2019-10-29 09:16:59 +01:00
security ima: always return negative code for error 2019-10-11 18:18:37 +02:00
sound ASoC: sgtl5000: Improve VAG power and mute control 2019-10-11 18:18:50 +02:00
tools perf inject jit: Fix JIT_CODE_MOVE filename 2019-10-17 13:43:41 -07:00
usr kbuild: clean compressed initramfs image 2019-10-07 18:55:14 +02:00
virt KVM: coalesced_mmio: add bounds checking 2019-09-21 07:15:28 +02:00
.cocciconfig
…
.get_maintainer.ignore
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.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
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CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:43:20 -07:00
Makefile Linux 4.14.150 2019-10-17 13:44:04 -07:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.