Re: [patch 2/2] HID: sensors: remove some unneeded checks
From: Jonathan Cameron <jic23@kernel.org>
Date: 2012-09-18 20:52:42
Also in:
linux-input
I've add these both to the togreg branch of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git Will send onwards in a few days.
Tested this and it works. -----Original Message----- From: Jiri Kosina [mailto:jkosina@suse.cz] Sent: Monday, September 17, 2012 4:00 AM To: Dan Carpenter Cc: Pandruvada, Srinivas; linux-input@vger.kernel.org; kernel-janitors@vger.kernel.org; Jonathan Cameron Subject: Re: [patch 2/2] HID: sensors: remove some unneeded checks On Fri, 14 Sep 2012, Dan Carpenter wrote:quoted
"report_id" is unsigned so it's never less than zero. These checks can be removed without any problem. Signed-off-by: Dan Carpenter <redacted>Signed-off-by: Jiri Kosina <redacted> Adding Jonathan to CC as well. Thanks.quoted
diff --git a/drivers/hid/hid-sensor-hub.cb/drivers/hid/hid-sensor-hub.c index 0c93b10..22ec3c6 100644--- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c@@ -214,9 +214,6 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); int ret = 0; - if (report_id < 0) - return -EINVAL; - mutex_lock(&data->mutex); report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); if (!report || (field_index >= report->maxfield)) { @@ -241,9 +238,6 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); int ret = 0; - if (report_id < 0) - return -EINVAL; - mutex_lock(&data->mutex); report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); if (!report || (field_index >= report->maxfield)) { @@ -271,9 +265,6 @@ int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev, struct hid_report *report; int ret_val = 0; - if (report_id < 0) - return -EINVAL; - mutex_lock(&data->mutex); memset(&data->pending, 0, sizeof(data->pending)); init_completion(&data->pending.ready);-- Jiri Kosina SUSE Labs