request_irq() won't accept a name which contains slash so we need to
replace it with something else -- otherwise it will throw a warning
and the entry in /proc/irq/ will not be created.
Since the .name might be used by userspace and we don't want to break
userspace, so we are changing the parameters passed to request_irq()

Suggested-by: Ian Abbott <abbo...@mev.co.uk>
Signed-off-by: Tong Zhang <ztong0...@gmail.com>
Reviewed-by: Ian Abbott <abbo...@mev.co.uk>
---
v2: fix commit log

 drivers/staging/comedi/drivers/das800.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/das800.c 
b/drivers/staging/comedi/drivers/das800.c
index 2881808d6606..bc08324f422f 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -668,7 +668,7 @@ static int das800_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        dev->board_name = board->name;
 
        if (irq > 1 && irq <= 7) {
-               ret = request_irq(irq, das800_interrupt, 0, dev->board_name,
+               ret = request_irq(irq, das800_interrupt, 0, "das800",
                                  dev);
                if (ret == 0)
                        dev->irq = irq;
-- 
2.25.1

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