| commit | e9166139f6f829c2e7bf6695f13e08d09303d6ca | [log] [tgz] |
|---|---|---|
| author | Ian Abbott <abbotti@mev.co.uk> | Fri May 10 14:07:16 2013 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon May 13 17:38:48 2013 -0400 |
| tree | fedc60a4cc8493b508a3432d915c9f01b554b3f7 | |
| parent | bd304a736afd99cc38bad4d1628e8e2d05d308d5 [diff] |
staging: comedi: complain if dma buffer allocation not supported When allocating a buffer to support asynchronous comedi commands, if a DMA coherent buffer was requested but `CONFIG_HAS_DMA` is undefined, bail out of local helper function `__comedi_buf_alloc()` with an error message. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>