From: rnaldo Carvalho de Melo <acme@kernel.org>
To: Colin King <colin.king@canonical.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Stephane Eranian <eranian@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf jit: memset variable st using the correct size
Date: Tue, 19 Apr 2016 10:47:41 -0300 [thread overview]
Message-ID: <20160419134741.GE3677@kernel.org> (raw)
In-Reply-To: <1461020838-9260-1-git-send-email-colin.king@canonical.com>
Em Tue, Apr 19, 2016 at 12:07:18AM +0100, Colin King escreveu:
> 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.
Thanks, applied.
- Arnaldo
> 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
next prev parent reply other threads:[~2016-04-19 13:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-18 23:07 [PATCH] perf jit: memset variable st using the correct size Colin King
2016-04-19 13:47 ` rnaldo Carvalho de Melo [this message]
2016-04-19 13:52 ` rnaldo Carvalho de Melo
2016-04-23 13:04 ` [tip:perf/core] perf jit: memset() variable 'st' " tip-bot for Colin Ian King
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