[PATCH 3/3] perf: Check for valid dso before creating map

From: Srikar Dronamraju
Date: Thu May 31 2012 - 07:49:10 EST


From: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>

dso__new() can return NULL. Hence verify dso before creating
a new map.

Suggested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxx>
Signed-off-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
---
tools/perf/util/symbol.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index e2ba885..0ef529e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -2786,8 +2786,11 @@ int machine__load_vmlinux_path(struct machine *machine, enum map_type type,

struct map *dso__new_map(const char *name)
{
+ struct map *map = NULL;
struct dso *dso = dso__new(name);
- struct map *map = map__new2(0, dso, MAP__FUNCTION);
+
+ if (dso)
+ map = map__new2(0, dso, MAP__FUNCTION);

return map;
}


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/