| Message ID | 20170327145939.29824-13-benjamin.tissoires@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 9a9771a..22129dd 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -503,6 +503,9 @@ static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature, if (ret) return ret; + if (response.fap.params[0] == 0) + return -ENOENT; + *feature_index = response.fap.params[0]; *feature_type = response.fap.params[1];
Or the device just answers a valid feature '0'. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> --- changes in v3: - moved up in the series no changes in v2 --- drivers/hid/hid-logitech-hidpp.c | 3 +++ 1 file changed, 3 insertions(+)