thermal/drivers/ti-soc-thermal: Use helper function IS_ERR_OR_NULL()

Use IS_ERR_OR_NULL() to detect an error pointer or a null pointer
open-coding to simplify the code.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230817014900.3094512-1-lizetao1@huawei.com

diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
index a1c9a153018320788f4b39855e1f038aa23e46ae..0c2eb9c6e58b6a3d0b8935a19c80099cb64f0c8d 100644 (file)
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
@@ -314,7 +314,7 @@ int ti_bandgap_adc_to_mcelsius(struct ti_bandgap *bgp, int adc_val, int *t)
  */
 static inline int ti_bandgap_validate(struct ti_bandgap *bgp, int id)
 {
-       if (!bgp || IS_ERR(bgp)) {
+       if (IS_ERR_OR_NULL(bgp)) {
                pr_err("%s: invalid bandgap pointer\n", __func__);
                return -EINVAL;
        }