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Sherry Sun dc195d77dd tty: serial: fsl_lpuart: fix the potential risk of division or modulo by zero 
[ Upstream commit fcb10ee27fb91b25b68d7745db9817ecea9f1038 ]

We should be very careful about the register values that will be used
for division or modulo operations, althrough the possibility that the
UARTBAUD register value is zero is very low, but we had better to deal
with the "bad data" of hardware in advance to avoid division or modulo
by zero leading to undefined kernel behavior.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20210427021226.27468-1-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-20 16:10:41 +02:00
arch
KVM: X86: Disable hardware breakpoints unconditionally before kvm_x86->run()
2021-07-20 16:10:40 +02:00
block
rq-qos: fix missed wake-ups in rq_qos_throttle try two
2021-07-19 08:53:16 +02:00
certs
certs: Move load_system_certificate_list to a common function
2021-06-30 08:47:55 -04:00
crypto
crypto: shash - avoid comparing pointers to exported functions under CFI
2021-07-14 16:53:13 +02:00
Documentation
clocksource: Retry clock read if long delays detected
2021-07-14 16:53:18 +02:00
drivers
tty: serial: fsl_lpuart: fix the potential risk of division or modulo by zero
2021-07-20 16:10:41 +02:00
fs
jfs: fix GPF in diFree
2021-07-19 08:53:18 +02:00
include
media: subdev: disallow ioctl for saa6588/davinci
2021-07-19 08:53:17 +02:00
init
kbuild: add CONFIG_LD_IS_LLD
2021-06-30 08:47:44 -04:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
srcu: Fix broken node geometry after early ssp init
2021-07-20 16:10:41 +02:00
lib
seq_buf: Fix overflow in seq_buf_putmem_hex()
2021-07-19 08:53:16 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/z3fold: fix potential memory leak in z3fold_destroy_pool()
2021-07-14 16:53:47 +02:00
net
sctp: add size validation when walking chunks
2021-07-19 08:53:13 +02:00
samples
samples/bpf: Fix the error return code of xdp_redirect's main()
2021-07-14 16:53:30 +02:00
scripts
kbuild: Fix objtool dependency for 'OBJECT_FILES_NON_STANDARD_<obj> := n'
2021-07-14 16:53:20 +02:00
security
smackfs: restrict bytes count in smk_set_cipso()
2021-07-19 08:53:18 +02:00
sound
ASoC: tegra: Set driver_name=tegra for all machine drivers
2021-07-19 08:53:16 +02:00
tools
perf bench: Fix 2 memory sanitizer warnings
2021-07-19 08:53:14 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio
2021-07-20 16:10:40 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.133
2021-07-19 08:53:18 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

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.

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.
Description
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