arch: xtensa: fatal: Comply with MISRA Rule 14.4

Flavio Ceolin · nashif · commit 36ef3da2d760 · 2024-06-17T17:46:16.000-04:00
Use boolean expression in a controlling expression.

Signed-off-by: Flavio Ceolin &lt;flavio.ceolin@intel.com&gt;
diff --git a/arch/xtensa/core/fatal.c b/arch/xtensa/core/fatal.c
@@ -87,7 +87,7 @@ char *xtensa_exccause(unsigned int cause_code)
 void xtensa_fatal_error(unsigned int reason, const struct arch_esf *esf)
 {
 #ifdef CONFIG_EXCEPTION_DEBUG
-	if (esf) {
+	if (esf != NULL) {
 		/* Don't want to get elbowed by xtensa_switch
 		 * in between printing registers and dumping them;
 		 * corrupts backtrace

Original file line number	Diff line number	Diff line change
`@@ -87,7 +87,7 @@ char *xtensa_exccause(unsigned int cause_code)`
`87`	`87`	`void xtensa_fatal_error(unsigned int reason, const struct arch_esf *esf)`
`88`	`88`	`{`
`89`	`89`	`#ifdef CONFIG_EXCEPTION_DEBUG`
`90`		`- if (esf) {`
	`90`	`+ if (esf != NULL) {`
`91`	`91`	`/* Don't want to get elbowed by xtensa_switch`
`92`	`92`	`* in between printing registers and dumping them;`
`93`	`93`	`* corrupts backtrace`