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perf tools: Use list_del_init() more thorougly

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2019-07-04 12:13:46 -03:00
parent d8f9da2404
commit e56fbc9dc7
22 changed files with 38 additions and 38 deletions
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4
tools/perf/util/auxtrace.c
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@@ -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);
}
}