The devm_backlight_device_register() doesn't return NULL, it returns error pointers. Update the error checking to match.
Fixes: b72755f5b577 ("backlight: Add new lm3509 backlight driver") Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org> --- drivers/video/backlight/lm3509_bl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/video/backlight/lm3509_bl.c b/drivers/video/backlight/lm3509_bl.c index ab57f79ffe23..c93cdedff5ad 100644 --- a/drivers/video/backlight/lm3509_bl.c +++ b/drivers/video/backlight/lm3509_bl.c @@ -114,9 +114,10 @@ lm3509_backlight_register(struct device *dev, const char *name_suffix, } bd = devm_backlight_device_register(dev, label, dev, data, ops, &props); - if (bd) - backlight_update_status(bd); + if (IS_ERR(bd)) + return bd; + backlight_update_status(bd); return bd; } -- 2.43.0