Coverity: vgxy61_detect_cut_version(): Control flow issues

Hello!

This is an experimental semi-automated report about issues detected by Coverity from a scan of next-20221110 as part of the linux-next scan project:
https://scan.coverity.com/projects/linux-next-weekly-scan

You're getting this email because you were associated with the identified lines of code (noted below) that were touched by commits:

Thu Oct 27 14:37:38 2022 +0300

    153e4ad44d60 ("media: i2c: Add driver for ST VGXY61 camera sensor")

Coverity reported the following:

*** CID 1527248: Control flow issues (NO_EFFECT) drivers/media/i2c/st-vgxy61.c:1651 in vgxy61_detect_cut_version()

1645     static int vgxy61_detect_cut_version(struct vgxy61_dev *sensor)
1646     {
1647     	struct i2c_client *client = sensor->i2c_client;
1648     	u16 device_rev;

1649
1650 device_rev = vgxy61_read_reg(sensor, VGXY61_REG_REVISION);
vvv CID 1527248: Control flow issues (NO_EFFECT)
vvv This less-than-zero comparison of an unsigned value is never true. "device_rev < 0".
1651 if (device_rev < 0)
1652 return device_rev;
1653

1654     	switch (device_rev >> 8) {
1655     	case 0xA:
1656     		dev_dbg(&client->dev, "Cut1 detected\n");

If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include these lines (but double-check the "Fixes" first):

Addresses-Coverity-ID: 1527248 ("Control flow issues")

Thanks for your attention!

Coverity-bot