It is stored in dynamically allocated memory, so sysfs_bin_attr_init() must be called to initialize it. (Note: "initialization" only sets the .attr.key member in this struct; it does not change the value of any other members.) Otherwise, when CONFIG_DEBUG_LOCK_ALLOC=y this message appears during boot: BUG: key ffff9248900cd148 has not been registered! Fixes: 9037246bb2da ("drm/amd/display: Add sysfs interface for set/get srm") Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1586 Reported-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> Signed-off-by: David Ward <david.ward@gatech.edu> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.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.
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