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Conor Dooley 8e145bc705
soc/microchip: fix invalid free in mpfs_sys_controller_delete
Fix an invalid kfree in mpfs_sys_controller_delete, by replacing the
devm_kzalloc with a regular kzalloc. Change the error handling in the
probe function to free the sys_controller struct if the probe fails.

> cocci warnings: (new ones prefixed by >>)
> >> drivers/soc/microchip/mpfs-sys-controller.c:73:1-6: WARNING: invalid free of devm_ allocated data
Link: https://lore.kernel.org/linux-mm/202203180259.lgIylRZV-lkp@intel.com/

Fixes: d0054a470c ("soc: add microchip polarfire soc system controller")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Conor Dooley <mail@conchuod.ie>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
History 2022-03-18 22:30:43 +01:00
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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.