Messages in this thread Patch in this message | | | Date | Wed, 9 Dec 2009 20:26:18 +0100 (CET) | From | Julia Lawall <> | Subject | [PATCH 12/12] tools/perf: Correct size given to memset |
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From: Julia Lawall <julia@diku.dk>
Memset should be given the size of the structure, not the size of the pointer.
The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/)
// <smpl> @@ type T; T *x; expression E; @@
memset(x, E, sizeof( + * x)) // </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
--- tools/perf/util/probe-event.c | 2 +- tools/perf/util/trace-event-parse.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff -u -p a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -376,7 +376,7 @@ static void clear_probe_point(struct pro free(pp->args); for (i = 0; i < pp->found; i++) free(pp->probes[i]); - memset(pp, 0, sizeof(pp)); + memset(pp, 0, sizeof(*pp)); } /* List up current perf-probe events */ diff -u -p a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1477,7 +1477,7 @@ process_fields(struct event *event, stru goto out_free; field = malloc_or_die(sizeof(*field)); - memset(field, 0, sizeof(field)); + memset(field, 0, sizeof(*field)); value = arg_eval(arg); field->value = strdup(value);
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