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5bc9e2d43f
When ida_alloc() fails, "pi" is not freed although the misleading comment says otherwise. Move the ida_alloc() call up so we really don't have to free "pi" in case of ida_alloc() failure. Also move ida_free() call from pi_remove_one() to pata_parport_dev_release(). It was dereferencing already freed dev pointer. Testing revealed leak even in non-failure case which was tracked down to missing put_device() call after bus_find_device_by_name(). As a result, pata_parport_dev_release() was never called. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/r/202303111822.IHNchbkp-lkp@intel.com/ Signed-off-by: Ondrej Zary <linux@zary.sk> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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.