[PATCH] perf jit: memset variable st using the correct size

Colin King
2016-04-18T23:07:33Z

From: Colin Ian King <colin.king@canonical.com>

The current code is memsetting the struct stat variable st with
the size of stat (which turns out to be 1 byte) rather than the
size of variable sz.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
tools/perf/util/jitdump.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index 52fcef3..86afe96 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -412,7 +412,7 @@ static int jit_repipe_code_load(struct jit_buf_desc *jd, union jr_entry *jr)
return -1;
}
if (stat(filename, &st))
- memset(&st, 0, sizeof(stat));
+ memset(&st, 0, sizeof(st));

event->mmap2.header.type = PERF_RECORD_MMAP2;
event->mmap2.header.misc = PERF_RECORD_MISC_USER;
@@ -500,7 +500,7 @@ static int jit_repipe_code_move(struct jit_buf_desc *jd, union jr_entry *jr)
size++; /* for \0 */

if (stat(filename, &st))
- memset(&st, 0, sizeof(stat));
+ memset(&st, 0, sizeof(st));

size = PERF_ALIGN(size, sizeof(u64));

--
2.7.4