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 <treeze.taeung@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1411522417-9917-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 832fb527ed90..5c16ba2dcf08 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -929,7 +929,7 @@ static int __cmd_top(struct perf_top *top)
 
         top->session = perf_session__new(NULL, false, NULL);
         if (top->session == NULL)
-                return -ENOMEM;
+                return -1;
 
         machines__set_symbol_filter(&top->session->machines, symbol_filter);