iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

staging: comedi: make some variables unsigned in comedi_read()

Browse Source 
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@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Abbott 2015-10-12 17:21:23 +01:00 committed by Greg Kroah-Hartman
parent fd060c8f4c
commit 76e8e7d4ff
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/staging/comedi/comedi_fops.c
View File

@ -2450,7 +2450,9 @@ 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;