HID: move from strlcpy with unused retval to strscpy
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 18 Aug 2022 21:00:09 +0000 (23:00 +0200)
committerJiri Kosina <jkosina@suse.cz>
Thu, 25 Aug 2022 09:44:27 +0000 (11:44 +0200)
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-steam.c
drivers/hid/i2c-hid/i2c-hid-core.c
drivers/hid/usbhid/hid-core.c
drivers/hid/usbhid/usbkbd.c
drivers/hid/usbhid/usbmouse.c
drivers/hid/wacom_sys.c

index a3b151b..f675e1a 100644 (file)
@@ -246,7 +246,7 @@ static int steam_get_serial(struct steam_device *steam)
        if (reply[0] != 0xae || reply[1] != 0x15 || reply[2] != 0x01)
                return -EIO;
        reply[3 + STEAM_SERIAL_LEN] = 0;
-       strlcpy(steam->serial_no, reply + 3, sizeof(steam->serial_no));
+       strscpy(steam->serial_no, reply + 3, sizeof(steam->serial_no));
        return 0;
 }
 
@@ -514,7 +514,7 @@ static int steam_register(struct steam_device *steam)
                 */
                mutex_lock(&steam->mutex);
                if (steam_get_serial(steam) < 0)
-                       strlcpy(steam->serial_no, "XXXXXXXXXX",
+                       strscpy(steam->serial_no, "XXXXXXXXXX",
                                        sizeof(steam->serial_no));
                mutex_unlock(&steam->mutex);
 
@@ -689,9 +689,9 @@ static struct hid_device *steam_create_client_hid(struct hid_device *hdev)
        client_hdev->version = hdev->version;
        client_hdev->type = hdev->type;
        client_hdev->country = hdev->country;
-       strlcpy(client_hdev->name, hdev->name,
+       strscpy(client_hdev->name, hdev->name,
                        sizeof(client_hdev->name));
-       strlcpy(client_hdev->phys, hdev->phys,
+       strscpy(client_hdev->phys, hdev->phys,
                        sizeof(client_hdev->phys));
        /*
         * Since we use the same device info than the real interface to
index c078f09..347c80e 100644 (file)
@@ -1036,7 +1036,7 @@ int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops,
 
        snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X",
                 client->name, (u16)hid->vendor, (u16)hid->product);
-       strlcpy(hid->phys, dev_name(&client->dev), sizeof(hid->phys));
+       strscpy(hid->phys, dev_name(&client->dev), sizeof(hid->phys));
 
        ihid->quirks = i2c_hid_lookup_quirk(hid->vendor, hid->product);
 
index 4490e2f..be4c731 100644 (file)
@@ -1381,7 +1381,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
                hid->type = HID_TYPE_USBNONE;
 
        if (dev->manufacturer)
-               strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
+               strscpy(hid->name, dev->manufacturer, sizeof(hid->name));
 
        if (dev->product) {
                if (dev->manufacturer)
index b4b007c..c439ed2 100644 (file)
@@ -294,7 +294,7 @@ static int usb_kbd_probe(struct usb_interface *iface,
        spin_lock_init(&kbd->leds_lock);
 
        if (dev->manufacturer)
-               strlcpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
+               strscpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
 
        if (dev->product) {
                if (dev->manufacturer)
index fb1d7d1..3fd93c2 100644 (file)
@@ -142,7 +142,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i
        mouse->dev = input_dev;
 
        if (dev->manufacturer)
-               strlcpy(mouse->name, dev->manufacturer, sizeof(mouse->name));
+               strscpy(mouse->name, dev->manufacturer, sizeof(mouse->name));
 
        if (dev->product) {
                if (dev->manufacturer)
index 194a2e3..102302e 100644 (file)
@@ -2226,7 +2226,7 @@ static void wacom_update_name(struct wacom *wacom, const char *suffix)
                } else if (strstr(product_name, "Wacom") ||
                           strstr(product_name, "wacom") ||
                           strstr(product_name, "WACOM")) {
-                       strlcpy(name, product_name, sizeof(name));
+                       strscpy(name, product_name, sizeof(name));
                } else {
                        snprintf(name, sizeof(name), "Wacom %s", product_name);
                }
@@ -2244,7 +2244,7 @@ static void wacom_update_name(struct wacom *wacom, const char *suffix)
                if (name[strlen(name)-1] == ' ')
                        name[strlen(name)-1] = '\0';
        } else {
-               strlcpy(name, features->name, sizeof(name));
+               strscpy(name, features->name, sizeof(name));
        }
 
        snprintf(wacom_wac->name, sizeof(wacom_wac->name), "%s%s",
@@ -2509,7 +2509,7 @@ static void wacom_wireless_work(struct work_struct *work)
                                goto fail;
                }
 
-               strlcpy(wacom_wac->name, wacom_wac1->name,
+               strscpy(wacom_wac->name, wacom_wac1->name,
                        sizeof(wacom_wac->name));
                error = wacom_initialize_battery(wacom);
                if (error)