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431db90a73
On linux-next commit72c6f57a41("perf pmu: Dynamically allocate tool PMU") allocated PMU named "tool" dynamicly. However that allocation can fail and a NULL pointer is returned. That case is currently not handled and would result in an invalid address reference. Add a check for NULL pointer. Fixes:72c6f57a41("perf pmu: Dynamically allocate tool PMU") Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: James Clark <james.clark@linaro.org> Link: https://lore.kernel.org/r/20250319122820.2898333-1-tmricht@linux.ibm.com Signed-off-by: Namhyung Kim <namhyung@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 reStructuredText 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.