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>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-01-24 16:10:42 -03:00
parent 1de7b7e89d
commit 5a3d04d6dc

View File

@ -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);