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Arnd Bergmann 8009515632 ANDROID: memory_state_time: fix undefined behavior with missing DT properties
kernelci reports warnings about unintialized variable usage:

drivers/misc/memory_state_time.c:351:12: warning: 'lenf' is used uninitialized in this function [-Wuninitialized]
drivers/misc/memory_state_time.c:321:14: warning: 'lenb' is used uninitialized in this function [-Wuninitialized]

In both cases we try to continue without a DT property but use the
length that has not been assigned at this point. This rearranges the
code in the two functions to bail out earlier in case of an error.

The patch is needed for both android-common-4.9, 4.4 and 3.18.

Link: https://kernelci.org/build/id/591177f459b5147648b12d54/logs/
Fixes: ad3c02f8b3a5 ("ANDROID: Implement memory_state_time, used by qcom,cpubw")
Cc: James Carr <carrja@google.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2018-08-28 17:10:42 +05:30
arch ANDROID: arm64: copy CONFIG_CMDLINE_EXTEND from ARM 2018-08-28 17:10:42 +05:30
block blk-wbt: don't maintain inflight counts if disabled 2018-08-23 09:34:46 -06:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto DMAengine updates for v4.19-rc1 2018-08-18 15:55:59 -07:00
Documentation ANDROID: memory_state_time: Implement memory_state_time, used by qcom,cpubw 2018-08-28 17:10:42 +05:30
drivers ANDROID: memory_state_time: fix undefined behavior with missing DT properties 2018-08-28 17:10:42 +05:30
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs ANDROID: mm: add a field to store names for private anonymous memory 2018-08-28 17:10:42 +05:30
include ANDROID: memory_state_time: Implement memory_state_time, used by qcom,cpubw 2018-08-28 17:10:42 +05:30
init ANDROID: initramfs: Add skip_initramfs command line option 2018-08-28 17:10:42 +05:30
ipc ipc/util.c: update return value of ipc_getref from int to bool 2018-08-22 10:52:52 -07:00
kernel ANDROID: trace: sched: add sched blocked tracepoint which dumps out context of sleep. 2018-08-28 17:10:42 +05:30
lib Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
LICENSES LICENSES: Add Linux-OpenIB license text 2018-04-27 16:41:53 -06:00
mm ANDROID: mm: add a field to store names for private anonymous memory 2018-08-28 17:10:42 +05:30
net ANDROID: NFC: Fix possible memory corruption when handling SHDLC I-Frame commands 2018-08-28 17:10:42 +05:30
samples samples/bpf: all XDP samples should unload xdp/bpf prog on SIGTERM 2018-08-16 21:55:32 +02:00
scripts ANDROID: kbuild: Makefile.clean: make Kbuild and Makefile optional 2018-08-28 17:10:42 +05:30
security ANDROID: security,perf: Allow further restriction of perf_event_open 2018-08-28 17:10:42 +05:30
sound Merge branch 'akpm' (patches from Andrew) 2018-08-23 19:20:12 -07:00
tools Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
usr initramfs: move gen_initramfs_list.sh from scripts/ to usr/ 2018-08-22 23:21:44 +09:00
virt ARM: Support for Group0 interrupts in guests, Cache management 2018-08-22 13:52:44 -07:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore ANDROID: add script to fetch android kernel config fragments 2018-08-28 16:44:09 +05:30
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
build.config.goldfish.arm ANDROID: build: add build server configs for goldfish 2018-08-28 17:10:42 +05:30
build.config.goldfish.arm64 ANDROID: build: add build server configs for goldfish 2018-08-28 17:10:42 +05:30
build.config.goldfish.mips ANDROID: build: add build server configs for goldfish 2018-08-28 17:10:42 +05:30
build.config.goldfish.mips64 ANDROID: build: add build server configs for goldfish 2018-08-28 17:10:42 +05:30
build.config.goldfish.x86 ANDROID: build: add build server configs for goldfish 2018-08-28 17:10:42 +05:30
build.config.goldfish.x86_64 ANDROID: build: add build server configs for goldfish 2018-08-28 17:10:42 +05:30
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
Makefile ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple 2018-08-28 17:10:42 +05:30
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -06:00

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.