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Before this commit, typec_altmode_get_partner would return a const struct typec_altmode * pointing to address 0x08 when to_altmode(adev)->partner was NULL. Add a check for to_altmode(adev)->partner being NULL to fix this. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206365 BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1785972 Fixes:5f54a85db5("usb: typec: Make sure an alt mode exist before getting its partner") Cc: stable@vger.kernel.org Signed-off-by: Naoki Kiryu <naonaokiryu2@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20200422144345.43262-1-hdegoede@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit0df9433fca) Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I3b5b69f6d31433e31d886c1dfcf852ce9cc11f4b
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.