perf tools: Add dsos__addnew function

Separate the creation of new dso object and its addition to the dsos
list. It will be used in following patch.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8j43jod97fdt5dwdsushwwae@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 13 insertions, 9 deletions

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 3e6863feb066..7a7c54b42b41 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1071,21 +1071,24 @@ struct dso *dsos__find(const struct dsos *dsos, const char *name,
         return dso__find_by_longname(&dsos->root, name);
 }
 
-struct dso *__dsos__findnew(struct dsos *dsos, const char *name)
+struct dso *dsos__addnew(struct dsos *dsos, const char *name)
 {
-        struct dso *dso = dsos__find(dsos, name, false);
+        struct dso *dso = dso__new(name);
 
-        if (!dso) {
-                dso = dso__new(name);
-                if (dso != NULL) {
-                        dsos__add(dsos, dso);
-                        dso__set_basename(dso);
-                }
+        if (dso != NULL) {
+                dsos__add(dsos, dso);
+                dso__set_basename(dso);
         }
-
         return dso;
 }
 
+struct dso *__dsos__findnew(struct dsos *dsos, const char *name)
+{
+        struct dso *dso = dsos__find(dsos, name, false);
+
+        return dso ? dso : dsos__addnew(dsos, name);
+}
+
 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
                                bool (skip)(struct dso *dso, int parm), int parm)
 {
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 384cd2918e8f..3c81d8378bc7 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -264,6 +264,7 @@ struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
                                 const char *short_name, int dso_type);
 
 void dsos__add(struct dsos *dsos, struct dso *dso);
+struct dso *dsos__addnew(struct dsos *dsos, const char *name);
 struct dso *dsos__find(const struct dsos *dsos, const char *name,
                        bool cmp_short);
 struct dso *__dsos__findnew(struct dsos *dsos, const char *name);