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commita4729c3506upstream. If the calls to devm_clk_get(), devm_spi_register_master() or clk_prepare_enable() fail on probe of the Mikrotik RB4xx SPI driver, the spi_master struct is erroneously not freed. Fix by switching over to the new devm_spi_alloc_master() helper. Fixes:05aec35787("spi: Add SPI driver for Mikrotik RB4xx series boards") Signed-off-by: Lukas Wunner <lukas@wunner.de> Cc: <stable@vger.kernel.org> # v4.2+:5e844cc37a: spi: Introduce device-managed SPI controller allocation Cc: <stable@vger.kernel.org> # v4.2+ Cc: Bert Vermeulen <bert@biot.com> Link: https://lore.kernel.org/r/369bf26d71927f60943b1d9d8f51810f00b0237d.1607286887.git.lukas@wunner.de Signed-off-by: Mark Brown <broonie@kernel.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.