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348ea30f51
A couple of bugs in queue_hotplug_event(): 1. Unchecked kmalloc result which could lead to an oops. 2. Use of GFP_KERNEL allocations in interrupt context (this code's only caller is ras_hotplug_interrupt()). Use kmemdup to avoid open-coding the allocation+copy and check for failure; use GFP_ATOMIC for both allocations. Ultimately it probably would be better to avoid or reduce allocations in this path if possible. Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.