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6cfd39e212
qcom_qspi_remove() accesses the driver's private data after calling spi_unregister_master() even though that function releases the last reference on the spi_master and thereby frees the private data. Fix by switching over to the new devm_spi_alloc_master() helper which keeps the private data accessible until the driver has unbound. Fixes:f79a158d37("spi: spi-qcom-qspi: Use OPP API to set clk/perf state") Signed-off-by: Lukas Wunner <lukas@wunner.de> Cc: <stable@vger.kernel.org> # v5.9+:5e844cc37a: spi: Introduce device-managed SPI controller allocation Cc: <stable@vger.kernel.org> # v5.9+ Cc: Rajendra Nayak <rnayak@codeaurora.org> Link: https://lore.kernel.org/r/b6d3c4dce571d78a532fd74f27def0d5dc8d8a24.1607286887.git.lukas@wunner.de Signed-off-by: Mark Brown <broonie@kernel.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.