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Kees Cook a00a29b0ee Bluetooth: hci_conn: Refactor hci_bind_bis() since it always succeeds 
The compiler thinks "conn" might be NULL after a call to hci_bind_bis(),
which cannot happen. Avoid any confusion by just making it not return a
value since it cannot fail. Fixes the warnings seen with GCC 13:

In function 'arch_atomic_dec_and_test',
    inlined from 'atomic_dec_and_test' at ../include/linux/atomic/atomic-instrumented.h:576:9,
    inlined from 'hci_conn_drop' at ../include/net/bluetooth/hci_core.h:1391:6,
    inlined from 'hci_connect_bis' at ../net/bluetooth/hci_conn.c:2124:3:
../arch/x86/include/asm/rmwcc.h:37:9: warning: array subscript 0 is outside array bounds of 'atomic_t[0]' [-Warray-bounds=]
   37 |         asm volatile (fullop CC_SET(cc) \
      |         ^~~
...
In function 'hci_connect_bis':
cc1: note: source object is likely at address zero

Fixes: eca0ae4aea ("Bluetooth: Add initial implementation of BIS connections")
Cc: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-bluetooth@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-02-09 14:18:07 -08:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
block block-6.2-2023-02-03 2023-02-03 11:35:42 -08:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-01-31 17:53:01 +09:00
crypto wifi: cfg80211: Deduplicate certificate loading 2023-01-19 14:46:45 +01:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
drivers Bluetooth: qca: Fix sparse warnings 2023-02-09 14:17:23 -08:00
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
include Bluetooth: HCI: Replace zero-length arrays with flexible-array members 2023-02-09 14:17:40 -08:00
init bpf-next-for-netdev 2023-01-28 00:00:14 -08:00
io_uring io_uring: always prep_async for drain requests 2023-01-27 06:29:29 -07:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm 25 hotfixes, mainly for MM. 13 are cc:stable. 2023-02-03 10:01:57 -08:00
net Bluetooth: hci_conn: Refactor hci_bind_bis() since it always succeeds 2023-02-09 14:18:07 -08:00
rust rust: print: avoid evaluating arguments in pr_* macros in unsafe blocks 2023-01-16 00:54:35 +01:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-02 14:49:55 -08:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
security tomoyo: Update website link 2023-01-13 23:11:38 +09:00
sound sound fixes for 6.2-rc7 2023-02-01 10:26:23 -08:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt VFIO fixes for v6.2-rc6 2023-01-23 11:56:07 -08:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap 25 hotfixes, mainly for MM. 13 are cc:stable. 2023-02-03 10:01:57 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS MAINTAINERS: update SCTP maintainers 2023-02-02 11:35:33 -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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
Makefile Linux 6.2-rc7 2023-02-05 13:13:28 -08:00
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.