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Commit 84a185ec authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
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staging: comedi: make some variables unsigned in comedi_write() 



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: default avatarIan Abbott <abbotti@mev.co.uk>
Reviewed-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ed65bba3

drivers/staging/comedi/comedi_fops.c

+3 −1
Original line number Diff line number Diff line
@@ -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;