diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 16:10:42 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 16:40:53 -0300 |
| commit | 5a3d04d6dc9050b4b4562f5c66aea23f0aa1c003 (patch) | |
| tree | d52d3d5fcd15f5afbf2781589b34b2874da9f50c /tools/perf/util/intlist.c | |
| parent | 1de7b7e89d16e3daf32fb3b6f214d038ab2ed879 (diff) | |
perf tools: Allow passing NULL to intlist__find
So that we can work with optional parameters that may not set up an
intlist.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-e9tmvgdzehqrza11zs0nbg7g@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intlist.c')
| -rw-r--r-- | tools/perf/util/intlist.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c index 9d0740024ba8..cbf0c32ce403 100644 --- a/tools/perf/util/intlist.c +++ b/tools/perf/util/intlist.c @@ -59,9 +59,14 @@ void intlist__remove(struct intlist *ilist, struct int_node *node) struct int_node *intlist__find(struct intlist *ilist, int i) { - struct int_node *node = NULL; - struct rb_node *rb_node = rblist__find(&ilist->rblist, (void *)((long)i)); + struct int_node *node; + struct rb_node *rb_node; + + if (ilist == NULL) + return NULL; + node = NULL; + rb_node = rblist__find(&ilist->rblist, (void *)((long)i)); if (rb_node) node = container_of(rb_node, struct int_node, rb_node); |