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[ Upstream commitcd2d644ddb] After calling vfs_test_lock() the pointer to a conflicting lock can be returned, and that lock is not guarunteed to be owned by nlm. In that case, we cannot cast it to struct nlm_lockowner. Instead return the pid of that conflicting lock. Fixes:646d73e91b("lockd: Show pid of lockd for remote locks") Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Sasha Levin <sashal@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.
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