diff options
| author | Namhyung Kim <[email protected]> | 2024-06-21 10:05:27 -0700 |
|---|---|---|
| committer | Namhyung Kim <[email protected]> | 2024-06-25 11:06:20 -0700 |
| commit | 0eb739d87f1b4780af0168e479d87627a33b6e3d (patch) | |
| tree | 30f54be0a1b6dff33ed6bba906a0577f315088b3 | |
| parent | e988a5b53ebd40c2fafc86250e95d69929796fbd (diff) | |
perf tools: Fix a compiler warning of NULL pointer
A compiler warning on the second argument of bsearch() should not be
NULL, but there's a case we might pass it. Let's return early if we
don't have any DSOs to search in __dsos__find_by_longname_id().
util/dsos.c:184:8: runtime error: null pointer passed as argument 2, which is declared to never be null
Reported-by: kernel test robot <[email protected]>
Reviewed-by: Kan Liang <[email protected]>
Closes: https://lore.kernel.org/oe-lkp/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | tools/perf/util/dsos.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/dsos.c b/tools/perf/util/dsos.c index 846828ea1f00..5e5e05f86dd3 100644 --- a/tools/perf/util/dsos.c +++ b/tools/perf/util/dsos.c @@ -164,6 +164,9 @@ static struct dso *__dsos__find_by_longname_id(struct dsos *dsos, }; struct dso **res; + if (dsos->dsos == NULL) + return NULL; + if (!dsos->sorted) { if (!write_locked) { struct dso *dso; |