2021-03-18 10:43:15

by Dan Carpenter

[permalink] [raw]
Subject: [PATCH] HID: ft260: fix an error message in ft260_i2c_write_read()

The "len" variable is uninitialize.

Fixes: 6a82582d9fa4 ("HID: ft260: add usb hid to i2c host bridge driver")
Signed-off-by: Dan Carpenter <[email protected]>
---
drivers/hid/hid-ft260.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-ft260.c b/drivers/hid/hid-ft260.c
index 047aa85a7c83..a5751607ce24 100644
--- a/drivers/hid/hid-ft260.c
+++ b/drivers/hid/hid-ft260.c
@@ -512,7 +512,8 @@ static int ft260_i2c_write_read(struct ft260_device *dev, struct i2c_msg *msgs)
struct hid_device *hdev = dev->hdev;

if (msgs[0].len > 2) {
- hid_err(hdev, "%s: unsupported wr len: %d\n", __func__, len);
+ hid_err(hdev, "%s: unsupported wr len: %d\n", __func__,
+ msgs[0].len);
return -EOPNOTSUPP;
}

--
2.30.2


2021-03-19 13:28:15

by Jiri Kosina

[permalink] [raw]
Subject: Re: [PATCH] HID: ft260: fix an error message in ft260_i2c_write_read()

On Thu, 18 Mar 2021, Dan Carpenter wrote:

> The "len" variable is uninitialize.
>
> Fixes: 6a82582d9fa4 ("HID: ft260: add usb hid to i2c host bridge driver")
> Signed-off-by: Dan Carpenter <[email protected]>
> ---
> drivers/hid/hid-ft260.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/hid/hid-ft260.c b/drivers/hid/hid-ft260.c
> index 047aa85a7c83..a5751607ce24 100644
> --- a/drivers/hid/hid-ft260.c
> +++ b/drivers/hid/hid-ft260.c
> @@ -512,7 +512,8 @@ static int ft260_i2c_write_read(struct ft260_device *dev, struct i2c_msg *msgs)
> struct hid_device *hdev = dev->hdev;
>
> if (msgs[0].len > 2) {
> - hid_err(hdev, "%s: unsupported wr len: %d\n", __func__, len);
> + hid_err(hdev, "%s: unsupported wr len: %d\n", __func__,
> + msgs[0].len);
> return -EOPNOTSUPP;
> }

Applied, thanks Dan.

--
Jiri Kosina
SUSE Labs

2021-03-19 17:00:18

by Michael Zaidman

[permalink] [raw]
Subject: Re: [PATCH] HID: ft260: fix an error message in ft260_i2c_write_read()

On Fri, Mar 19, 2021 at 02:26:43PM +0100, Jiri Kosina wrote:
> On Thu, 18 Mar 2021, Dan Carpenter wrote:
>
> > The "len" variable is uninitialize.
> >
> > Fixes: 6a82582d9fa4 ("HID: ft260: add usb hid to i2c host bridge driver")
> > Signed-off-by: Dan Carpenter <[email protected]>
> > ---
> > drivers/hid/hid-ft260.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/hid/hid-ft260.c b/drivers/hid/hid-ft260.c
> > index 047aa85a7c83..a5751607ce24 100644
> > --- a/drivers/hid/hid-ft260.c
> > +++ b/drivers/hid/hid-ft260.c
> > @@ -512,7 +512,8 @@ static int ft260_i2c_write_read(struct ft260_device *dev, struct i2c_msg *msgs)
> > struct hid_device *hdev = dev->hdev;
> >
> > if (msgs[0].len > 2) {
> > - hid_err(hdev, "%s: unsupported wr len: %d\n", __func__, len);
> > + hid_err(hdev, "%s: unsupported wr len: %d\n", __func__,
> > + msgs[0].len);
> > return -EOPNOTSUPP;
> > }

Dan, thanks for that quick fix.

> Applied, thanks Dan.
> --
> Jiri Kosina

Jiri, thank you for applying it.