probe-app: bail out if opening file fails

kv2019i · lgirdwood · commit e2a5d925ba06 · 2022-08-16T15:35:03.000+01:00
Do not blindly call fwrite without checking whether file open
succeeded or not.

Signed-off-by: Kai Vehmanen &lt;kai.vehmanen@linux.intel.com&gt;
diff --git a/tools/probes/probes_main.c b/tools/probes/probes_main.c
@@ -297,6 +297,13 @@ void parse_data(char *file_in)
 									 packet->buffer_id,
 									 packet->format);
 
+						if (file < 0) {
+							fprintf(stderr,
+								"unable to open file for %u\n",
+								packet->buffer_id);
+							goto err;
+						}
+
 						fwrite(packet->data,
 						       sizeof(uint32_t),
 						       packet->data_size_bytes /
