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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-04 12:13:46 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-09 10:13:27 -0300 |
commit | e56fbc9dc79ce0fdc49ffadd062214ddd02f65b6 (patch) | |
tree | b108e9b4fcb4cc1be29778253097089884b00f23 /tools/perf/util/thread.c | |
parent | d8f9da240495b50766239410f9b0c715ca506a67 (diff) | |
download | linux-e56fbc9dc79ce0fdc49ffadd062214ddd02f65b6.tar.gz |
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/thread.c')
-rw-r--r-- | tools/perf/util/thread.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index bbfb9c767f5f..873ab505ca80 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -93,14 +93,14 @@ void thread__delete(struct thread *thread) down_write(&thread->namespaces_lock); list_for_each_entry_safe(namespaces, tmp_namespaces, &thread->namespaces_list, list) { - list_del(&namespaces->list); + list_del_init(&namespaces->list); namespaces__free(namespaces); } up_write(&thread->namespaces_lock); down_write(&thread->comm_lock); list_for_each_entry_safe(comm, tmp_comm, &thread->comm_list, list) { - list_del(&comm->list); + list_del_init(&comm->list); comm__free(comm); } up_write(&thread->comm_lock); |