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Filename Latest commit message Latest commit date
Mauro Carvalho Chehab b413d8654e media: exynos-gsc: fix pm_runtime_get_sync() usage count
[ Upstream commit 59087b66ea6730c130c57d23bd9fd139b78c1ba5 ]

The pm_runtime_get_sync() internally increments the
dev->power.usage_count without decrementing it, even on errors.
Replace it by the new pm_runtime_resume_and_get(), introduced by:
commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
in order to properly decrement the usage counter, avoiding
a potential PM usage counter leak.

As a bonus, as pm_runtime_get_sync() always return 0 on
success, the logic can be simplified.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-14 16:53:10 +02:00
arch powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi() 2021-07-14 16:53:08 +02:00
block
certs
crypto
Documentation evm: Refuse EVM_ALLOW_METADATA_WRITES only if an HMAC key is loaded 2021-07-14 16:53:08 +02:00
drivers media: exynos-gsc: fix pm_runtime_get_sync() usage count 2021-07-14 16:53:10 +02:00
fs fuse: reject internal errno 2021-07-14 16:53:09 +02:00
include tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing 2021-07-14 16:53:08 +02:00
init
ipc
kernel tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing 2021-07-14 16:53:08 +02:00
lib seq_buf: Make trace_seq_putmem_hex() support data longer than 8 2021-07-14 16:53:08 +02:00
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security evm: Refuse EVM_ALLOW_METADATA_WRITES only if an HMAC key is loaded 2021-07-14 16:53:08 +02:00
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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.