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commit654d031000upstream. Fixes an uninitialized variable in irq_handler() that could lead to unpredictable behavior in case OP-TEE fails to handle SMC function ID OPTEE_SMC_GET_ASYNC_NOTIF_VALUE. This change ensures that in that case get_async_notif_value() properly reports there are no notification event. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/r/202304200755.OoiuclDZ-lkp@intel.com/ Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/all/d9b7f69b-c737-4cb3-8e74-79fe00c934f9@kili.mountain/ Fixes:6749e69c4d("optee: add asynchronous notifications") Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org> Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.