[Bug 217649] cam_open_device requires mode = O_RDWR in order to access pass(4) devices; it's explicitly called out in manpage

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217649

Ngie Cooper <ngie at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|cam_open_device is          |cam_open_device requires
                   |potentially broken; errors  |mode = O_RDWR in order to
                   |with pass(4) from           |access pass(4) devices;
                   |cam_real_open_device helper |it's explicitly called out
                   |function                    |in manpage

--- Comment #3 from Ngie Cooper <ngie at FreeBSD.org> ---
(In reply to Mark Johnston from comment #2)

Confirmed (after changing mode to O_RDWR):

# ./cam_open_device /dev/da0
cam_open_device succeeded!

Hm... it seems either the requirement should be more explicit in either the
manpage or the library.

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