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

Li Zetao · dlezcano · commit e98153a8c60a · 2023-08-17T09:24:54.000+02:00
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
@@ -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;
 	}

Original file line number	Diff line number	Diff line change
`@@ -314,7 +314,7 @@ int ti_bandgap_adc_to_mcelsius(struct ti_bandgap bgp, int adc_val, int t)`
`314`	`314`	`*/`
`315`	`315`	`static inline int ti_bandgap_validate(struct ti_bandgap *bgp, int id)`
`316`	`316`	`{`
`317`		`- if (!bgp \|\| IS_ERR(bgp)) {`
	`317`	`+ if (IS_ERR_OR_NULL(bgp)) {`
`318`	`318`	`pr_err("%s: invalid bandgap pointer\n", __func__);`
`319`	`319`	`return -EINVAL;`
`320`	`320`	`}`