From 748cfd987bc93c7af88d19e206226a307a3e0b76 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Mon, 9 Dec 2013 15:31:21 -0700 Subject: [PATCH] staging: comedi: pcmmio: return '0' after successful attach The comedi core expects the (*attach) functions to return < 0 to indicate an error or >= 0 for success. Change the return to '0' as that is more typical. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/pcmmio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c index f3cfe7b..6fd79a7 100644 --- a/drivers/staging/comedi/drivers/pcmmio.c +++ b/drivers/staging/comedi/drivers/pcmmio.c @@ -320,6 +320,7 @@ static void pcmmio_reset(struct comedi_device *dev) pcmmio_dio_write(dev, 0, PCMMIO_PAGE_INT_ID, 0); } +/* devpriv->spinlock is already locked */ static void pcmmio_stop_intr(struct comedi_device *dev, struct comedi_subdevice *s) { @@ -410,6 +411,7 @@ static irqreturn_t interrupt_pcmmio(int irq, void *d) return IRQ_HANDLED; } +/* devpriv->spinlock is already locked */ static int pcmmio_start_intr(struct comedi_device *dev, struct comedi_subdevice *s) { @@ -842,7 +844,7 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->insn_bits = pcmmio_dio_insn_bits; s->insn_config = pcmmio_dio_insn_config; - return 1; + return 0; } static struct comedi_driver pcmmio_driver = { -- 2.7.4