summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tools/perf/util/symbol.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 2517f2c2454f..76de63cecf98 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1267,14 +1267,10 @@ out_err:
* If the kernel is relocated at boot time, kallsyms won't match. Compute the
* delta based on the relocation reference symbol.
*/
-static int kallsyms__delta(struct map *map, const char *filename, u64 *delta)
+static int kallsyms__delta(struct kmap *kmap, const char *filename, u64 *delta)
{
- struct kmap *kmap = map__kmap(map);
u64 addr;
- if (!kmap)
- return -1;
-
if (!kmap->ref_reloc_sym || !kmap->ref_reloc_sym->name)
return 0;
@@ -1288,15 +1284,19 @@ static int kallsyms__delta(struct map *map, const char *filename, u64 *delta)
int __dso__load_kallsyms(struct dso *dso, const char *filename,
struct map *map, bool no_kcore)
{
+ struct kmap *kmap = map__kmap(map);
u64 delta = 0;
if (symbol__restricted_filename(filename, "/proc/kallsyms"))
return -1;
+ if (!kmap || !kmap->kmaps)
+ return -1;
+
if (dso__load_all_kallsyms(dso, filename) < 0)
return -1;
- if (kallsyms__delta(map, filename, &delta))
+ if (kallsyms__delta(kmap, filename, &delta))
return -1;
symbols__fixup_end(&dso->symbols);