In `comedi_read()`, the `n` and `m` variables are of type `int`. Change
them to `unsigned int` as they are used to measure a positive number of
bytes. The `count` variable is also of type `int` and holds the
returned number of bytes. Change it to type `ssize_t` to match the
function's return type.
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
---
drivers/staging/comedi/comedi_fops.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index cca3fb1..ae9d519 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2449,7 +2449,9 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
{
struct comedi_subdevice *s;
struct comedi_async *async;
- int n, m, count = 0, retval = 0;
+ unsigned int n, m;
+ ssize_t count = 0;
+ int retval = 0;
DECLARE_WAITQUEUE(wait, current);
struct comedi_file *cfp = file->private_data;
struct comedi_device *dev = cfp->dev;
--
2.6.1
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