perf tools: sort_dimension__add shouldn't die

Propagate error instead.

LKML-Reference: <new-submission>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 31329a1cd324..9d24d4b2c8fb 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -264,9 +264,8 @@ int sort_dimension__add(const char *tok)
                                 char err[BUFSIZ];
 
                                 regerror(ret, &parent_regex, err, sizeof(err));
-                                fprintf(stderr, "Invalid regex: %s\n%s",
-                                        parent_pattern, err);
-                                exit(-1);
+                                pr_err("Invalid regex: %s\n%s", parent_pattern, err);
+                                return -EINVAL;
                         }
                         sort__has_parent = 1;
                 }