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Johan Hovold acce91ba0d net: hso: fix muxed tty registration 
commit e8f69b16ee upstream.

If resource allocation and registration fail for a muxed tty device
(e.g. if there are no more minor numbers) the driver should not try to
deregister the never-registered (or already-deregistered) tty.

Fix up the error handling to avoid dereferencing a NULL pointer when
attempting to remove the character device.

Fixes: 72dc1c096c ("HSO: add option hso driver")
Cc: stable@vger.kernel.org	# 2.6.27
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-30 10:09:22 +02:00
arch
xen/x86: fix PV trap handling on secondary processors
2021-09-30 10:09:21 +02:00
block
blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
2021-09-26 14:07:13 +02:00
certs
certs: Trigger creation of RSA module signing key if it's not an RSA key
2021-09-15 09:47:29 +02:00
crypto
crypto: shash - avoid comparing pointers to exported functions under CFI
2021-07-14 16:53:13 +02:00
Documentation
dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation
2021-09-22 12:26:43 +02:00
drivers
net: hso: fix muxed tty registration
2021-09-30 10:09:22 +02:00
fs
btrfs: prevent __btrfs_dump_space_info() to underflow its free space
2021-09-30 10:09:22 +02:00
include
erofs: fix up erofs_lookup tracepoint
2021-09-30 10:09:22 +02:00
init
kbuild: add CONFIG_LD_IS_LLD
2021-06-30 08:47:44 -04:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
profiling: fix shift-out-of-bounds bugs
2021-09-26 14:07:09 +02:00
lib
Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH
2021-09-26 14:07:10 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range()
2021-09-22 12:26:43 +02:00
net
9p/trans_virtio: Remove sysfs file on probe failure
2021-09-26 14:07:08 +02:00
samples
samples: bpf: Fix tracex7 error raised on the missing argument
2021-09-22 12:26:30 +02:00
scripts
kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y
2021-09-22 12:26:26 +02:00
security
apparmor: remove duplicate macro list_entry_is_head()
2021-09-26 14:07:06 +02:00
sound
ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B
2021-09-22 12:26:35 +02:00
tools
perf unwind: Do not overwrite FEATURE_CHECK_LDFLAGS-libunwind-{x86,aarch64}
2021-09-22 12:26:45 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: remember position in kvm->vcpus array
2021-09-26 14:07:05 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2019-09-22 10:34:46 -07:00
.mailmap
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.149
2021-09-26 14:07:14 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -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 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.
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