diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-04 12:13:46 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-09 10:13:27 -0300 |
| commit | e56fbc9dc79ce0fdc49ffadd062214ddd02f65b6 (patch) | |
| tree | b108e9b4fcb4cc1be29778253097089884b00f23 /tools/perf/util/auxtrace.c | |
| parent | d8f9da240495b50766239410f9b0c715ca506a67 (diff) | |
| download | lwn-e56fbc9dc79ce0fdc49ffadd062214ddd02f65b6.tar.gz lwn-e56fbc9dc79ce0fdc49ffadd062214ddd02f65b6.zip | |
perf tools: Use list_del_init() more thorougly
To allow for destructors to check if they're operating on a object still
in a list, and to avoid going from use after free list entries into
still valid, or even also other already removed from list entries.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-deh17ub44atyox3j90e6rksu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/auxtrace.c')
| -rw-r--r-- | tools/perf/util/auxtrace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index b033a43dfe3b..ec0af36697c4 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -408,7 +408,7 @@ void auxtrace_queues__free(struct auxtrace_queues *queues) buffer = list_entry(queues->queue_array[i].head.next, struct auxtrace_buffer, list); - list_del(&buffer->list); + list_del_init(&buffer->list); auxtrace_buffer__free(buffer); } } @@ -612,7 +612,7 @@ void auxtrace_index__free(struct list_head *head) struct auxtrace_index *auxtrace_index, *n; list_for_each_entry_safe(auxtrace_index, n, head, list) { - list_del(&auxtrace_index->list); + list_del_init(&auxtrace_index->list); free(auxtrace_index); } } |