[PATCH 3/8] staging: comedi: make some variables unsigned in comedi_write()

[Ian Abbott]

In `comedi_write()`, 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 written.  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 94c2348..188a12a 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2303,7 +2303,9 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
 {
 	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;
-- 
2.6.2

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