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commit6e7f90d163upstream. I thought I was iterating over the array when actually the iteration is over the values contained in the array? Ugh, keep it simple. Symptoms were a null deference in vfs_lock_file() when an NFSv3 client that previously held a lock came back up and sent a notify. Reported-by: Jonathan Woithe <jwoithe@just42.net> Fixes:7f024fcd5c("Keep read and write fds with each nlm_file") Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> 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.