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[ Upstream commite004c3e67b] Currently the array gpmc_cs is indexed by cs before it cs is range checked and the pointer read from this out-of-index read is dereferenced. Fix this by performing the range check on cs before the read and the following pointer dereference. Addresses-Coverity: ("Negative array index read") Fixes:9ed7a776eb("ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20210223193821.17232-1-colin.king@canonical.com Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Sasha Levin <sashal@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.