perf tools: Modify error code for when perf_session__new() fails

Because perf_session__new() can fail for more reasons than just ENOMEM,
modify error code(ENOMEM or EINVAL) to -1.

Signed-off-by: Taeung Song <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 02dce92..b9b9e58 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1744,7 +1744,7 @@
 
 	session = perf_session__new(&file, false, &script.tool);
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	if (header || header_only) {
 		perf_session__fprintf_info(session, stdout, show_full_info);