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Commit567f97bd38("media: ipu3-cio2: support multiple sensors and VCMs with same HID") introduced an on stack vcm_name and then uses this for the name field of the software_node struct used for the vcm. But the software_node struct is much longer lived then the current stack-frame, so this is no good. Instead extend the ipu_node_names struct with an extra field to store the vcm software_node name and use that. Note this also changes the length of the allocated buffer from ACPI_ID_LEN + 4 to 16. the name is filled with "<ipu_vcm_types[x]>-%u" where ipu_vcm_types[x] is not an ACPI_ID. The maximum length of the strings in the ipu_vcm_types[] array is 11 + 5 bytes for "-255\0" means 16 bytes are needed in the worst case scenario. Fixes:567f97bd38("media: ipu3-cio2: support multiple sensors and VCMs with same HID") Cc: Bingbu Cao <bingbu.cao@intel.com> Reviewed-by: Andy Shevchenko <andy@kernel.org> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@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 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.