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Vladimir Oltean 48c2752785 lib: packing: demote truncation error in pack() to a warning in __pack() 
Most of the sanity checks in pack() and unpack() can be covered at
compile time. There is only one exception, and that is truncation of the
uval during a pack() operation.

We'd like the error-less __pack() to catch that condition as well. But
at the same time, it is currently the responsibility of consumer drivers
(currently just sja1105) to print anything at all when this error
occurs, and then discard the return code.

We can just print a loud warning in the library code and continue with
the truncated __pack() operation. In practice, having the warning is
very important, see commit 24deec6b9e ("net: dsa: sja1105: disallow
C45 transactions on the BASE-TX MDIO bus") where the bug was caught
exactly by noticing this print.

Add the first print to the packing library, and at the same time remove
the print for the same condition from the sja1105 driver, to avoid
double printing.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241210-packing-pack-fields-and-ice-implementation-v10-2-ee56a47479ac@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2024-12-11 20:12:59 -08:00
arch LoongArch fixes for v6.13-rc2 2024-12-04 10:31:37 -08:00
block block-6.13-20242901 2024-11-30 15:47:29 -08:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
Documentation dt-bindings: net: Add DT bindings for DWMAC on NXP S32G/R SoCs 2024-12-09 18:36:03 -08:00
drivers lib: packing: demote truncation error in pack() to a warning in __pack() 2024-12-11 20:12:59 -08:00
fs for-6.13-rc1-tag 2024-12-03 11:02:17 -08:00
include rtnetlink: remove pad field in ndo_fdb_dump_context 2024-12-10 18:32:33 -08:00
init - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
io_uring io_uring-6.13-20242901 2024-11-30 15:43:02 -08:00
ipc - The series "resource: A couple of cleanups" from Andy Shevchenko 2024-11-25 16:09:48 -08:00
kernel bpf, xdp: constify some bpf_prog * function arguments 2024-12-05 18:41:06 -08:00
lib lib: packing: demote truncation error in pack() to a warning in __pack() 2024-12-11 20:12:59 -08:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
net l2tp: Handle eth stats using NETDEV_PCPU_STAT_DSTATS. 2024-12-11 13:57:26 +00:00
rust block-6.13-20242901 2024-11-30 15:47:29 -08:00
samples module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
scripts scripts/nsdeps: get 'make nsdeps' working again 2024-12-03 08:22:25 -08:00
security Including fixes from can and netfilter. 2024-12-05 10:25:06 -08:00
sound module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
tools selftests: forwarding: Add a selftest for the new reserved_bits UAPI 2024-12-09 14:47:06 -08:00
usr initramfs: shorten cmd_initfs in usr/Makefile 2024-07-16 01:07:52 +09:00
virt VFIO updates for v6.13 2024-11-27 12:57:03 -08:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: enable Clippy's check-private-items 2024-10-07 21:39:57 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Kbuild updates for v6.13 2024-11-30 13:41:50 -08:00
.mailmap media updates for v6.13-rc1 2024-11-20 14:01:15 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS cgroup: Changes for v6.13 2024-11-20 09:54:49 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: Add Jan Petrous as the NXP S32G/R DWMAC driver maintainer 2024-12-09 18:36:04 -08:00
Makefile Linux 6.13-rc1 2024-12-01 14:28:56 -08:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.