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Ilpo Järvinen 85cdbf04b4 serial: 8250: Remove serial_rs485 sanitization from em485 
[ Upstream commit 84f2faa785 ]

Serial core handles serial_rs485 sanitization.

When em485 init fails, there are two possible paths of entry:

  1) uart_rs485_config (init path) that fully clears port->rs485 on
     error.

  2) ioctl path with a pre-existing, valid port->rs485 unto which the
     kernel falls back on error and port->rs485 should therefore be
     kept untouched. The temporary rs485 struct is not returned to
     userspace in case of error so its flag don't matter.

...Thus SER_RS485_ENABLED clearing on error can/should be dropped.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-37-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 93810191f5 ("serial: 8250: omap: Fix missing PM runtime calls for omap8250_set_mctrl()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-11-25 17:45:42 +01:00
arch x86/cpu: Restore AMD's DE_CFG MSR after resume 2022-11-16 09:57:20 +01:00
block block, bfq: protect 'bfqd->queued' by 'bfqd->lock' 2022-11-10 18:14:24 +01:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:13:17 +02:00
crypto crypto: akcipher - default implementation for setting a private key 2022-10-26 13:25:42 +02:00
Documentation KVM: s390: pv: don't allow userspace to set the clock under PV 2022-11-16 09:57:10 +01:00
drivers serial: 8250: Remove serial_rs485 sanitization from em485 2022-11-25 17:45:42 +01:00
fs btrfs: remove pointless and double ulist frees in error paths of qgroup tests 2022-11-25 17:45:40 +01:00
include mtd: spi-nor: intel-spi: Disable write protection only if asked 2022-11-25 17:45:41 +01:00
init Kconfig: Add option for asm goto w/ tied outputs to workaround clang-13 bug 2022-06-09 10:21:25 +02:00
ipc ipc: remove memcg accounting for sops objects in do_semtimedop() 2022-11-10 18:14:29 +01:00
kernel bpf: Fix wrong reg type conversion in release_reference() 2022-11-16 09:57:09 +01:00
lib dyndbg: drop EXPORTed dynamic_debug_exec_queries 2022-10-26 13:25:34 +02:00
LICENSES
mm mm/memremap.c: map FS_DAX device memory as decrypted 2022-11-16 09:57:17 +01:00
net Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm 2022-11-25 17:45:40 +01:00
samples x86: Prepare inline-asm for straight-line-speculation 2022-07-25 11:26:29 +02:00
scripts cert host tools: Stop complaining about deprecated OpenSSL functions 2022-11-16 09:57:17 +01:00
security capabilities: fix potential memleak on error path from vfs_getxattr_alloc() 2022-11-10 18:14:26 +01:00
sound ASoC: tas2764: Fix set_tdm_slot in case of single slot 2022-11-25 17:45:42 +01:00
tools selftests/intel_pstate: fix build for ARCH=x86_64 2022-11-25 17:45:39 +01:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:25:48 +01:00
virt kvm: Add support for arch compat vm ioctls 2022-10-30 09:41:15 +01:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: add Amir as xfs maintainer for 5.10.y 2022-07-02 16:39:22 +02:00
Makefile Linux 5.10.155 2022-11-16 09:57:20 +01:00
README

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.