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Dan Carpenter da43652826 lib/string.c: check for kmalloc() failure
This is mostly to keep the number of static checker warnings down so we
can spot new bugs instead of them being drowned in noise.  This function
doesn't return normal kernel error codes but instead the return value is
used to display exactly which memory failed.  I chose -1 as hopefully
that's a helpful thing to print.

Link: http://lkml.kernel.org/r/20170817115420.uikisjvfmtrqkzjn@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Kees Cook <keescook@chromium.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Daniel Micay <danielmicay@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-08 18:26:49 -07:00
Documentation rbtree: cache leftmost node internally 2017-09-08 18:26:48 -07:00
arch arch/microblaze: add choice for endianness and update Makefile 2017-09-08 18:26:48 -07:00
block block/cfq: cache rightmost rb_node 2017-09-08 18:26:49 -07:00
certs modsign: add markers to endif-statements in certs/Makefile 2017-07-14 11:01:37 +10:00
crypto crypto: af_alg - get_page upon reassignment to TX SGL 2017-08-22 15:03:27 +08:00
drivers lib/interval_tree: fast overlap detection 2017-09-08 18:26:49 -07:00
firmware firmware/Makefile: force recompilation if makefile changes 2017-05-08 17:15:10 -07:00
fs fs/epoll: use faster rb_first_cached() 2017-09-08 18:26:49 -07:00
include lib/rhashtable: fix comment on locks_mul default value 2017-09-08 18:26:49 -07:00
init Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2017-09-06 21:33:12 -07:00
ipc Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu 2017-08-21 09:45:19 +02:00
kernel locking/rtmutex: replace top-waiter and pi_waiters leftmost caching 2017-09-08 18:26:49 -07:00
lib lib/string.c: check for kmalloc() failure 2017-09-08 18:26:49 -07:00
mm mem/memcg: cache rightmost node 2017-09-08 18:26:49 -07:00
net Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2017-09-06 22:25:25 -07:00
samples media updates for v4.14-rc1 2017-09-07 12:53:14 -07:00
scripts Merge branch 'gperf-removal' 2017-09-07 21:39:15 -07:00
security audit/stable-4.14 PR 20170907 2017-09-07 20:48:25 -07:00
sound linux/kernel.h: move DIV_ROUND_DOWN_ULL() macro 2017-09-08 18:26:47 -07:00
tools tools/testing/selftests/kcmp/kcmp_test.c: add KCMP_EPOLL_TFD testing 2017-09-08 18:26:47 -07:00
usr ramfs: clarify help text that compression applies to ramfs as well as legacy ramdisk. 2017-07-06 16:24:30 -07:00
virt KVM: update to new mmu_notifier semantic v2 2017-08-31 16:13:00 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: Add support to generate LLVM assembly files 2017-04-25 08:13:52 +09:00
.mailmap power supply and reset changes for the v4.12 series (part 2) 2017-05-12 12:02:21 -07:00
COPYING
CREDITS avr32: remove support for AVR32 architecture 2017-05-01 09:27:15 +02:00
Kbuild kbuild: Consolidate header generation from ASM offset information 2017-04-13 05:43:37 +09:00
Kconfig kbuild: migrate all arch to the kconfig mainmenu upgrade 2010-09-19 22:54:11 -04:00
MAINTAINERS hmm: heterogeneous memory management documentation 2017-09-08 18:26:45 -07:00
Makefile Merge branch 'docs-next' of git://git.lwn.net/linux 2017-09-03 21:07:29 -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.