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Filename Latest commit message Latest commit date
Hugo Villeneuve bf6bb3612e serial: max310x: prevent infinite while() loop in port startup
[ Upstream commit b35f8dbbce818b02c730dc85133dc7754266e084 ]

If there is a problem after resetting a port, the do/while() loop that
checks the default value of DIVLSB register may run forever and spam the
I2C bus.

Add a delay before each read of DIVLSB, and a maximum number of tries to
prevent that situation from happening.

Also fail probe if port reset is unsuccessful.

Fixes: 10d8b34a42 ("serial: max310x: Driver rework")
Cc: stable@vger.kernel.org
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240116213001.3691629-5-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-15 10:48:18 -04:00
arch um: allow not setting extra rpaths in the linux binary 2024-03-15 10:48:16 -04:00
block blk-mq: fix IO hang from sbitmap wakeup race 2024-02-23 08:25:03 +01:00
certs
crypto crypto: api - Disallow identical driver names 2024-02-23 08:24:48 +01:00
Documentation net: sysfs: Fix /sys/class/net/<iface> path 2024-02-23 08:25:05 +01:00
drivers serial: max310x: prevent infinite while() loop in port startup 2024-03-15 10:48:18 -04:00
fs fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super 2024-03-06 14:36:10 +00:00
include fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio 2024-03-01 13:13:38 +01:00
init rootfs: Fix support for rootfstype= when root= is given 2024-01-25 14:34:30 -08:00
ipc
kernel sched/rt: Disallow writing invalid values to sched_rt_period_us 2024-03-01 13:13:33 +01:00
lib ida: Fix crash in ida_free when the bitmap is empty 2024-01-25 14:34:21 -08:00
LICENSES
mm userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb 2024-03-01 13:13:33 +01:00
net netrom: Fix data-races around sysctl_net_busy_read 2024-03-15 10:48:16 -04:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-07-27 08:37:07 +02:00
scripts scripts/bpf: Fix xdp_md forward declaration typo 2024-03-01 13:13:38 +01:00
security lsm: new security_file_ioctl_compat() hook 2024-02-23 08:25:15 +01:00
sound ALSA: Drop leftover snd-rtctimer stuff from Makefile 2024-03-06 14:36:09 +00:00
tools selftests: mm: fix map_hugetlb failure on 64K page size systems 2024-03-15 10:48:16 -04:00
usr
virt KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler 2024-03-01 13:13:32 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.271 2024-03-06 14:36:10 +00:00
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.