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37d058aae7
The debugfs_create_*() functions never return NULL, so checking their return value for NULL is pointless. Secondly, the debugfs subsystem is designed to be as simple as possible, so if one of the debugfs_create_*() method in a hierarchy fails, the following methods should silently return the passed erroneous parental dentry. Finally, the code should work no matter whether anything debugfs-related fails. To make code simpler and debugfs-independent, stop checking the debugfs_create_*() return values. If the debugfs file system is unavailable, skip the debugfs node initialization altogether to preserve some memory space. Link: https://lore.kernel.org/r/20230113171409.30470-12-Sergey.Semin@baikalelectronics.ru Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Acked-by: Vinod Koul <vkoul@kernel.org> |
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| .clang-format | ||
| .cocciconfig | ||
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| README | ||
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.