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Miaoqian Lin f655550322 virtio: vdpa: Fix reference count leak in octep_sriov_enable()
commit b41ca62c00 upstream.

pci_get_device() will increase the reference count for the returned
pci_dev, and also decrease the reference count for the input parameter
from if it is not NULL.

If we break the loop in  with 'vf_pdev' not NULL. We
need to call pci_dev_put() to decrease the reference count.

Found via static anlaysis and this is similar to commit c508eb042d
("perf/x86/intel/uncore: Fix reference count leak in sad_cfg_iio_topology()")

Fixes: 8b6c724cda ("virtio: vdpa: vDPA driver for Marvell OCTEON DPU devices")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251027060737.33815-1-linmq006@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-08 10:14:29 +01:00
arch
block
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto
Documentation
drivers
fs btrfs: don't log conflicting inode if it's a dir moved in the current transaction 2026-01-08 10:14:25 +01:00
include
init
io_uring io_uring: fix min_wait wakeups for SQPOLL 2026-01-08 10:14:25 +01:00
ipc ipc: fix to protect IPCS lookups using RCU 2025-06-27 11:11:22 +01:00
kernel
lib
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm
net
rust
samples
scripts
security
sound
tools tools/testing/nvdimm: Use per-DIMM device handle 2026-01-08 10:14:20 +01:00
usr
virt
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml
.cocciconfig
.editorconfig
.get_maintainer.ignore
.gitattributes
.gitignore rust: introduce .clippy.toml 2025-03-13 13:01:42 +01:00
.mailmap
.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
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
Makefile Linux 6.12.63 2025-12-18 13:55:23 +01:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

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.