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Filename Latest commit message Latest commit date
Jonas Jelonek 3129cec05f wifi: mac80211_hwsim: fix debugfs attribute ps with rc table support
[ Upstream commit 69188df5f6e4cecc6b76b958979ba363cd5240e8 ]

Fixes a warning that occurs when rc table support is enabled
(IEEE80211_HW_SUPPORTS_RC_TABLE) in mac80211_hwsim and the PS mode
is changed via the exported debugfs attribute.

When the PS mode is changed, a packet is broadcasted via
hwsim_send_nullfunc by creating and transmitting a plain skb with only
header initialized. The ieee80211 rate array in the control buffer is
zero-initialized. When ratetbl support is enabled, ieee80211_get_tx_rates
is called for the skb with sta parameter set to NULL and thus no
ratetbl can be used. The final rate array then looks like
[-1,0; 0,0; 0,0; 0,0] which causes the warning in ieee80211_get_tx_rate.

The issue is fixed by setting the count of the first rate with idx '0'
to 1 and hence ieee80211_get_tx_rates won't overwrite it with idx '-1'.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-08 11:22:57 +01:00
arch arm64: dts: imx8mn: Fix NAND controller size-cells 2022-11-25 17:42:15 +01:00
block block: sed-opal: kmalloc the cmd/resp buffers 2022-11-25 17:42:14 +01:00
certs
crypto
Documentation docs: update mediator contact information in CoC doc 2022-11-25 17:42:20 +01:00
drivers wifi: mac80211_hwsim: fix debugfs attribute ps with rc table support 2022-12-08 11:22:57 +01:00
fs ntfs: check overflow when iterating ATTR_RECORDs 2022-11-25 17:42:22 +01:00
include vmlinux.lds.h: Fix placement of '.data..decrypted' section 2022-11-25 17:42:09 +01:00
init
ipc ipc: remove memcg accounting for sops objects in do_semtimedop() 2022-11-10 17:57:58 +01:00
kernel kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case 2022-11-25 17:42:21 +01:00
lib
LICENSES
mm mm: fs: initialize fsdata passed to write_begin/write_end interface 2022-11-25 17:42:22 +01:00
net wifi: mac80211: fix memory free error when registering wiphy fail 2022-12-08 11:22:56 +01:00
samples
scripts cert host tools: Stop complaining about deprecated OpenSSL functions 2022-11-25 17:42:10 +01:00
security capabilities: fix potential memleak on error path from vfs_getxattr_alloc() 2022-11-10 17:57:55 +01:00
sound ALSA: usb-audio: Drop snd_BUG_ON() from snd_usbmidi_output_open() 2022-11-25 17:42:17 +01:00
tools selftests/intel_pstate: fix build for ARCH=x86_64 2022-11-25 17:42:12 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.225 2022-11-25 17:42:22 +01:00
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.