Coverity: vgxy61_patch(): 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 1527250: Control flow issues (NO_EFFECT) drivers/media/i2c/st-vgxy61.c:1626 in vgxy61_patch() 1620

1621     	ret = vgxy61_poll_reg(sensor, VGXY61_REG_STBY, 0, VGXY61_TIMEOUT_MS);
1622     	if (ret)
1623     		return ret;

1624
1625 patch = vgxy61_read_reg(sensor, VGXY61_REG_FWPATCH_REVISION);
vvv CID 1527250: Control flow issues (NO_EFFECT)
vvv This less-than-zero comparison of an unsigned value is never true. "patch < 0".
1626 if (patch < 0)
1627 return patch;
1628

1629     	if (patch != (VGXY61_FWPATCH_REVISION_MAJOR << 12) +
1630     		     (VGXY61_FWPATCH_REVISION_MINOR << 8) +
1631     		     VGXY61_FWPATCH_REVISION_MICRO) {

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: 1527250 ("Control flow issues")

Thanks for your attention!

Coverity-bot