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commitbe37bed754upstream. Dan Carpenter spotted that test_fw_config->reqs will be leaked if trigger_batched_requests_store() is called two or more times. The same appears with trigger_batched_requests_async_store(). This bug wasn't trigger by the tests, but observed by Dan's visual inspection of the code. The recommended workaround was to return -EBUSY if test_fw_config->reqs is already allocated. Fixes:7feebfa487("test_firmware: add support for request_firmware_into_buf") Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russ Weight <russell.h.weight@intel.com> Cc: Tianfei Zhang <tianfei.zhang@intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-kselftest@vger.kernel.org Cc: stable@vger.kernel.org # v5.4 Suggested-by: Dan Carpenter <error27@gmail.com> Suggested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Acked-by: Luis Chamberlain <mcgrof@kernel.org> Link: https://lore.kernel.org/r/20230509084746.48259-2-mirsad.todorovac@alu.unizg.hr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.