e858f7ac73
commit 4eb5bbde3ccb710d3b85bfb13466612e56393369 upstream. Smatch checker complains that 'secretmem_mnt' dereferencing possible ERR_PTR(). Let the function return if 'secretmem_mnt' is ERR_PTR, to avoid deferencing it. Link: https://lkml.kernel.org/r/20220904074647.GA64291@cloud-MacBookPro Fixes: 1507f51255c9f ("mm: introduce memfd_secret system call to create "secret" memory areas") Signed-off-by: Binyi Han <dantengknight@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foudation.org> Cc: Mike Rapoport <rppt@kernel.org> Cc: Ammar Faizi <ammarfaizi2@gnuweeb.org> Cc: Hagen Paul Pfeifer <hagen@jauu.net> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.