logging: mtrace: don't activate with hook == NULL

lyakh · kartben · commit 1b7eae43dbe6 · 2025-04-25T19:00:49.000+02:00
adsp_mtrace_log_init() can be called with its argument equal NULL,
mtrace_active shouldn't be set to true in that case.

Signed-off-by: Guennadi Liakhovetski &lt;guennadi.liakhovetski@linux.intel.com&gt;
diff --git a/subsys/logging/backends/log_backend_adsp_mtrace.c b/subsys/logging/backends/log_backend_adsp_mtrace.c
@@ -221,7 +221,7 @@ void adsp_mtrace_log_init(adsp_mtrace_log_hook_t hook)
 	mtrace_init();
 
 	mtrace_hook = hook;
-	mtrace_active = true;
+	mtrace_active = !!hook;
 }
 
 const struct log_backend *log_backend_adsp_mtrace_get(void)

Original file line number	Diff line number	Diff line change
`@@ -221,7 +221,7 @@ void adsp_mtrace_log_init(adsp_mtrace_log_hook_t hook)`
`221`	`221`	`mtrace_init();`
`222`	`222`
`223`	`223`	`mtrace_hook = hook;`
`224`		`- mtrace_active = true;`
	`224`	`+ mtrace_active = !!hook;`
`225`	`225`	`}`
`226`	`226`
`227`	`227`	`const struct log_backend *log_backend_adsp_mtrace_get(void)`