X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fsnapshot.c;h=b4124d51d5fc242631b062cffc7670552c75d696;hb=fae1e3cc12dd199269c581b683630d077e0ba266;hp=abdf1890198b1653a2a3a2ab0bc5bc0599d584aa;hpb=38b4ef1b199ddb15db78774a39e9c524ca7e2d24;p=lttng-tools.git

diff --git a/src/bin/lttng/commands/snapshot.c b/src/bin/lttng/commands/snapshot.c
index abdf18901..b4124d51d 100644
--- a/src/bin/lttng/commands/snapshot.c
+++ b/src/bin/lttng/commands/snapshot.c
@@ -725,6 +725,15 @@ int cmd_snapshot(int argc, const char **argv)
 			break;
 		case LTTNG_ERR_SNAPSHOT_NODATA:
 			WARN("%s", lttng_strerror(command_ret));
+
+			/*  A warning is fine since the user has no control on
+			 *  whether or not applications (or the kernel) have
+			 *  produced any event between the start of the tracing
+			 *  session and the recording of the snapshot. MI wise
+			 *  the command is not a success since nothing was
+			 *  recorded.
+			 */
+			command_ret = 0;
 			break;
 		default:
 			ERR("%s", lttng_strerror(command_ret));
@@ -768,7 +777,7 @@ end:
 		free(session_name);
 	}
 
-	/* Overwrite ret if an error occured during handle_command */
+	/* Overwrite ret if an error occurred during handle_command */
 	ret = command_ret ? command_ret : ret;
 	poptFreeContext(pc);
 	return ret;