media: synopsys: hdmirx: Fix signedness bug in hdmirx_parse_dt()
The num_clks is set this way:
hdmirx_dev->num_clks = devm_clk_bulk_get_all(dev, &hdmirx_dev->clks);
if (hdmirx_dev->num_clks < 1)
return -ENODEV;
The devm_clk_bulk_get_all() function returns negative error codes so the
hdmirx_dev->num_cks variable needs to be signed for the error handling to
work.
Fixes: 7b59b132ad43 ("media: platform: synopsys: Add support for HDMI input driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>