Messages in this thread | | | From | Ping Cheng <> | Date | Thu, 27 Apr 2023 10:56:40 -0700 | Subject | Re: [PATCH] HID: wacom: Added error check |
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On Thu, Apr 27, 2023 at 5:07 AM Denis Arefev <arefev@swemel.ru> wrote: > > Added a variable check and > transition in case of an error > > Found by Linux Verification Center (linuxtesting.org) with SVACE. > > Signed-off-by: Denis Arefev <arefev@swemel.ru>
Thank you Denis for working on the patch! The patch LGTM.
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Cheers, Ping
> --- > drivers/hid/wacom_sys.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c > index fb538a6c4add..aff4a21a46b6 100644 > --- a/drivers/hid/wacom_sys.c > +++ b/drivers/hid/wacom_sys.c > @@ -2417,8 +2417,13 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless) > goto fail_quirks; > } > > - if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) > + if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) { > error = hid_hw_open(hdev); > + if (error) { > + hid_err(hdev, "hw open failed\n"); > + goto fail_quirks; > + } > + } > > wacom_set_shared_values(wacom_wac); > devres_close_group(&hdev->dev, wacom); > -- > 2.25.1 >
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