diff options
| author | Kees Cook <keescook@chromium.org> | 2017-09-20 16:27:50 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-22 10:57:22 +0200 |
| commit | 1c937c1390cc1ca95032e56b4ec8c4e32e54debe (patch) | |
| tree | 6bc304a5722f5c9a42b9101f90bade500503986a /drivers/staging/comedi | |
| parent | 4b26706c77ada60d92ca1846a7956298edcc78ea (diff) | |
| download | blackbird-obmc-linux-1c937c1390cc1ca95032e56b4ec8c4e32e54debe.tar.gz blackbird-obmc-linux-1c937c1390cc1ca95032e56b4ec8c4e32e54debe.zip | |
staging/comedi/das16: Make timer initialization unconditional
With timer initialization made unconditional, there is no reason to
make del_timer_sync() calls conditionally, there by removing the test
of the .data field.
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: devel@driverdev.osuosl.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/das16.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c index 5d157951f63f..2b2a446af3f5 100644 --- a/drivers/staging/comedi/drivers/das16.c +++ b/drivers/staging/comedi/drivers/das16.c @@ -934,6 +934,9 @@ static void das16_alloc_dma(struct comedi_device *dev, unsigned int dma_chan) { struct das16_private_struct *devpriv = dev->private; + setup_timer(&devpriv->timer, das16_timer_interrupt, + (unsigned long)dev); + /* only DMA channels 3 and 1 are valid */ if (!(dma_chan == 1 || dma_chan == 3)) return; @@ -941,10 +944,6 @@ static void das16_alloc_dma(struct comedi_device *dev, unsigned int dma_chan) /* DMA uses two buffers */ devpriv->dma = comedi_isadma_alloc(dev, 2, dma_chan, dma_chan, DAS16_DMA_SIZE, COMEDI_ISADMA_READ); - if (devpriv->dma) { - setup_timer(&devpriv->timer, das16_timer_interrupt, - (unsigned long)dev); - } } static void das16_free_dma(struct comedi_device *dev) @@ -952,8 +951,7 @@ static void das16_free_dma(struct comedi_device *dev) struct das16_private_struct *devpriv = dev->private; if (devpriv) { - if (devpriv->timer.data) - del_timer_sync(&devpriv->timer); + del_timer_sync(&devpriv->timer); comedi_isadma_free(devpriv->dma); } } |
