[Bug 730559] dmabuf: fix checking mmap flags

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=730559
  GStreamer | gst-plugins-base | git

Nicolas Dufresne <nicolas.dufresne> changed:

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--- Comment #2 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-06-04 14:02:19 UTC ---
(From update of attachment 276970)
commit 42623c995e97a4eda3ca641b37584a4f66f9e095
Author: Michael Olbrich <m.olbrich at pengutronix.de>
Date:   Tue May 20 12:28:15 2014 +0200

    dmabuf: fix checking mmap flags

    A simple '&' is not sufficiant. With mmapping_flags == PROT_READ and
    prot == PROT_READ|PROT_WRITE the check produces the wrong result.
    Change the check to make sure that prot is a subset of mmapping_flags.

    https://bugzilla.gnome.org/show_bug.cgi?id=730559

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