Module: xenomai-2.5 Branch: master Commit: 41cd9059ee3a0880ff3a22f51ddaf9a6ba07fdaf URL: http://git.xenomai.org/?p=xenomai-2.5.git;a=commit;h=41cd9059ee3a0880ff3a22f51ddaf9a6ba07fdaf
Author: Alexis Berlemont <alexis.berlem...@gmail.com> Date: Wed Jan 6 23:07:59 2010 +0100 analogy: fix an ugly access in NI MIO driver In the function init_ao_67xx(), the AO subdevice pointer was retrieved by going through the transfer structure which initialization is not complete. --- .../analogy/national_instruments/mio_common.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/ksrc/drivers/analogy/national_instruments/mio_common.c b/ksrc/drivers/analogy/national_instruments/mio_common.c index c722384..db9762a 100644 --- a/ksrc/drivers/analogy/national_instruments/mio_common.c +++ b/ksrc/drivers/analogy/national_instruments/mio_common.c @@ -3732,9 +3732,14 @@ void mio_common_detach(a4l_dev_t * dev) static void init_ao_67xx(a4l_dev_t * dev) { - a4l_subd_t *subd = dev->transfer.subds[NI_AO_SUBDEV]; + a4l_subd_t *subd = a4l_get_subd(dev, NI_AO_SUBDEV); int i; + if (subd == NULL) { + a4l_err(dev, "%s: unable to find AO subdevice\n", __FUNCTION__); + return; + } + for (i = 0; i < subd->chan_desc->length; i++) ni_ao_win_outw(dev, AO_Channel(i) | 0x0, AO_Configuration_2_67xx); _______________________________________________ Xenomai-git mailing list Xenomai-git@gna.org https://mail.gna.org/listinfo/xenomai-git