Re: [REVIEWv2 PATCH 09/13] vb2: add vb2_fileio_is_active and check it more often

On Mon, Apr 7, 2014 at 10:11 PM, Hans Verkuil hverk...@xs4all.nl wrote: From: Hans Verkuil hans.verk...@cisco.com Added a vb2_fileio_is_active inline function that returns true if fileio is in progress. Check for this too in mmap() (you don't want apps mmap()ing buffers used by fileio) and

[REVIEWv2 PATCH 09/13] vb2: add vb2_fileio_is_active and check it more often

From: Hans Verkuil hans.verk...@cisco.com Added a vb2_fileio_is_active inline function that returns true if fileio is in progress. Check for this too in mmap() (you don't want apps mmap()ing buffers used by fileio) and expbuf() (same reason). In addition drivers should be able to check for this