Re: [PATCH] staging: comedi: das800: fix request_irq() warn

From: Ian Abbott
Date: Wed Mar 17 2021 - 08:49:34 EST


On 16/03/2021 22:42, Tong Zhang wrote:
request_irq() wont accept a name which contains slash so we need to
repalce it with something else -- otherwise it will trigger 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 <abbotti@xxxxxxxxx>
Signed-off-by: Tong Zhang <ztong0001@xxxxxxxxx>
---
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;


Looks good (apart from the minor spelling niggle spotted by Dan Carpenter), thanks!

Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>

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