If we failed to create the top debugfs directory, we must not try to
create the child nodes. We currently only check if gpio_mockup_dbg_dir
is not NULL, but it can also contain an errno if debugfs is disabled
in build options. Use IS_ERR_OR_NULL() instead.
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
if (rv)
return rv;
- if (gpio_mockup_dbg_dir)
+ if (!IS_ERR_OR_NULL(gpio_mockup_dbg_dir))
gpio_mockup_debugfs_setup(dev, chip);
return 0;