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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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tools/perf/util/s390-cpumsf.c
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@@ -756,7 +756,7 @@ static int s390_cpumsf_run_decoder(struct s390_cpumsf_queue *sfq,
*/
if (err) {
sfq->buffer = NULL;
list_del(&buffer->list);
list_del_init(&buffer->list);
auxtrace_buffer__free(buffer);
if (err > 0) /* Buffer done, no error */
err = 0;