[PATCH 12/12] tools/perf: Correct size given to memset
From: Julia Lawall
Date: Wed Dec 09 2009 - 14:26:32 EST
From: Julia Lawall <julia@xxxxxxx>
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@xxxxxxx>
---
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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