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[ Upstream commit 1d84353d205a953e2381044953b7fa31c8c9702d ] In case ioremap fails, the fix releases resources and returns -ENOMEM to avoid NULL pointer dereferences. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Cc: Aditya Pakki <pakki001@umn.edu> Cc: Finn Thain <fthain@telegraphics.com.au> Cc: Rob Herring <robh@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [b.zolnierkie: minor patch summary fixup] Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.