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ad1e3d5672
btrfs_read_fs_root_no_name() may return ERR_PTR(-ENOENT) or ERR_PTR(-ENOMEM) and therefore search_ioctl() and btrfs_search_path_in_tree() should use PTR_ERR() instead of -ENOENT, which all other callers of btrfs_read_fs_root_no_name() do. Drop the error message as it would be confusing, the caller of ioctl will likely interpret the error code and not look into the syslog. Signed-off-by: Tomohiro Misono <misono.tomohiro@jp.fujitsu.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.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.
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.