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Filename Latest commit message Latest commit date
Andrew Gabbasov 7740774940 ravb: Fix bit fields checking in ravb_hwtstamp_get()
[ Upstream commit 68b9f0865b1ef545da180c57d54b82c94cb464a4 ]

In the function ravb_hwtstamp_get() in ravb_main.c with the existing
values for RAVB_RXTSTAMP_TYPE_V2_L2_EVENT (0x2) and RAVB_RXTSTAMP_TYPE_ALL
(0x6)

if (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE_V2_L2_EVENT)
	config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
else if (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE_ALL)
	config.rx_filter = HWTSTAMP_FILTER_ALL;

if the test on RAVB_RXTSTAMP_TYPE_ALL should be true,
it will never be reached.

This issue can be verified with 'hwtstamp_config' testing program
(tools/testing/selftests/net/hwtstamp_config.c). Setting filter type
to ALL and subsequent retrieving it gives incorrect value:

$ hwtstamp_config eth0 OFF ALL
flags = 0
tx_type = OFF
rx_filter = ALL
$ hwtstamp_config eth0
flags = 0
tx_type = OFF
rx_filter = PTP_V2_L2_EVENT

Correct this by converting if-else's to switch.

Fixes: c156633f13 ("Renesas Ethernet AVB driver proper")
Reported-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Link: https://lore.kernel.org/r/20201026102130.29368-1-andrew_gabbasov@mentor.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-01 12:01:04 +01:00
arch x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled 2020-11-01 12:01:02 +01:00
block block: ratelimit handle_bad_sector() message 2020-10-29 09:58:01 +01:00
certs
crypto crypto: algif_skcipher - EBUSY on aio should be an error 2020-10-29 09:57:30 +01:00
Documentation x86/fpu: Allow multiple bits in clearcpuid= parameter 2020-10-29 09:57:29 +01:00
drivers ravb: Fix bit fields checking in ravb_hwtstamp_get() 2020-11-01 12:01:04 +01:00
fs efivarfs: Replace invalid slashes with exclamation marks in dentries. 2020-11-01 12:01:02 +01:00
include netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create 2020-11-01 12:01:01 +01:00
init kprobes: tracing/kprobes: Fix to kill kprobes on initmem after boot 2020-10-01 13:18:23 +02:00
ipc
kernel bpf: Limit caller's stack depth 256 for subprogs with tailcalls 2020-10-29 09:58:06 +01:00
lib lib/crc32.c: fix trivial typo in preprocessor condition 2020-10-29 09:57:52 +01:00
LICENSES
mm mm/page_owner: change split_page_owner to take a count 2020-10-29 09:57:52 +01:00
net net/sched: act_mpls: Add softdep on mpls_gso.ko 2020-11-01 12:01:03 +01:00
samples misc: vop: add round_up(x,4) for vring_size to avoid kernel panic 2020-10-29 09:58:04 +01:00
scripts scripts/setlocalversion: make git describe output more reliable 2020-11-01 12:01:01 +01:00
security ima: Don't ignore errors from crypto_shash_update() 2020-10-29 09:57:28 +01:00
sound ALSA: hda/ca0132 - Add new quirk ID for SoundBlaster AE-7. 2020-10-29 09:58:09 +01:00
tools objtool: Support Clang non-section symbols in ORC generation 2020-11-01 12:01:01 +01:00
usr
virt KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch 2020-10-01 13:18:25 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2020-08-26 10:40:46 +02:00
Makefile Linux 5.4.73 2020-10-29 09:58:11 +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.