fix the check for supported timestamping modes

Fix the check for supported timestamping modes. The device needs to support all the required modes, not just any subset of them. Signed-off-by: Jiri Bohac <[email protected]>
lichenAAA · May 16, 2013 · 7ce1486 · 7ce1486
1 parent 7b02a5e
commit 7ce1486
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ptp4l.c b/ptp4l.c
@@ -325,7 +325,7 @@ int main(int argc, char *argv[])
 	/* check whether timestamping mode is supported. */
 	for (i = 0; i < cfg_settings.nports; i++) {
 		if (iface[i].ts_info.valid &&
-		    !(iface[0].ts_info.so_timestamping & required_modes)) {
+		    ((iface[0].ts_info.so_timestamping & required_modes) != required_modes)) {
 			fprintf(stderr, "interface '%s' does not support "
 				        "requested timestamping mode.\n",
 				iface[i].name);