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7cdafe6cc4
The exportfs_encode_*() helpers call the filesystem ->encode_fh() method which returns a signed int. All the in-tree implementations of ->encode_fh() return a positive integer and FILEID_INVALID (255) for error. Fortify the callers for possible future ->encode_fh() implementation that will return a negative error value. name_to_handle_at() would propagate the returned error to the users if filesystem ->encode_fh() method returns an error. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/linux-fsdevel/ca02955f-1877-4fde-b453-3c1d22794740@kili.mountain/ Signed-off-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Message-Id: <20230524154825.881414-1-amir73il@gmail.com>
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.