logger: Fix log_err usage at early stages of sof-logger run

ktrzcinx · lgirdwood · commit 1ad0269f5d5b · 2020-10-20T10:41:17.000+01:00
This function could fail when called before convert()

Signed-off-by: Karol Trzcinski &lt;karolx.trzcinski@linux.intel.com&gt;
diff --git a/tools/logger/misc.c b/tools/logger/misc.c
@@ -45,7 +45,7 @@ extern struct convert_config *global_config;
 
 void log_err(const char *fmt, ...)
 {
-	FILE *out_fd = global_config->out_fd;
+	FILE *out_fd = global_config ? global_config->out_fd : NULL;
 	static const char prefix[] = "error: ";
 	ssize_t needed_size;
 	va_list args, args_alloc;

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,7 @@ extern struct convert_config *global_config;`
`45`	`45`
`46`	`46`	`void log_err(const char *fmt, ...)`
`47`	`47`	`{`
`48`		`- FILE *out_fd = global_config->out_fd;`
	`48`	`+ FILE *out_fd = global_config ? global_config->out_fd : NULL;`
`49`	`49`	`static const char prefix[] = "error: ";`
`50`	`50`	`ssize_t needed_size;`
`51`	`51`	`va_list args, args_alloc;`