From: Ian Abbott <abbotti@xxxxxxxxx>
This patch has been added to the 4.1 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit 5ca05345c56cb979e1a25ab6146437002f95cac8 ]
For counter subdevices, the `s->insn_write` handler is being set to the
wrong function, `ni_tio_insn_read()`. It should be
`ni_tio_insn_write()`.
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
Reported-by: Éric Piel <piel@xxxxxxxxxx>
Fixes: 10f74377eec3 ("staging: comedi: ni_tio: make ni_tio_winsn() a
proper comedi (*insn_write)"
Cc: <stable@xxxxxxxxxxxxxxx> # 3.17+
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_mio_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 34b3a52..92abb8b 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -5635,7 +5635,7 @@ static int ni_E_init(struct comedi_device *dev,
s->maxdata = (devpriv->is_m_series) ? 0xffffffff
: 0x00ffffff;
s->insn_read = ni_tio_insn_read;
- s->insn_write = ni_tio_insn_read;
+ s->insn_write = ni_tio_insn_write;
s->insn_config = ni_tio_insn_config;
#ifdef PCIDMA
if (dev->irq && devpriv->mite) {
--
2.7.4
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