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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 02:04:49 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 02:04:49 -0800 |
commit | 348324c5b10bcba8d9daabdfb85a6927311be34f (patch) | |
tree | d06ca3a264407a14a1f36c1b798d6dc0dc1582d8 /tools/perf/util/rblist.c | |
parent | 1e63bd9cc43db5400a1423a7ec8266b4e7c54bd0 (diff) | |
parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) |
Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
Diffstat (limited to 'tools/perf/util/rblist.c')
-rw-r--r-- | tools/perf/util/rblist.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/tools/perf/util/rblist.c b/tools/perf/util/rblist.c index a16cdd2625a..0dfe27d9945 100644 --- a/tools/perf/util/rblist.c +++ b/tools/perf/util/rblist.c @@ -48,10 +48,12 @@ void rblist__remove_node(struct rblist *rblist, struct rb_node *rb_node) rblist->node_delete(rblist, rb_node); } -struct rb_node *rblist__find(struct rblist *rblist, const void *entry) +static struct rb_node *__rblist__findnew(struct rblist *rblist, + const void *entry, + bool create) { struct rb_node **p = &rblist->entries.rb_node; - struct rb_node *parent = NULL; + struct rb_node *parent = NULL, *new_node = NULL; while (*p != NULL) { int rc; @@ -67,7 +69,26 @@ struct rb_node *rblist__find(struct rblist *rblist, const void *entry) return parent; } - return NULL; + if (create) { + new_node = rblist->node_new(rblist, entry); + if (new_node) { + rb_link_node(new_node, parent, p); + rb_insert_color(new_node, &rblist->entries); + ++rblist->nr_entries; + } + } + + return new_node; +} + +struct rb_node *rblist__find(struct rblist *rblist, const void *entry) +{ + return __rblist__findnew(rblist, entry, false); +} + +struct rb_node *rblist__findnew(struct rblist *rblist, const void *entry) +{ + return __rblist__findnew(rblist, entry, true); } void rblist__init(struct rblist *rblist) |