From: Hitoshi Mitake <mitake.hitoshi@gmail.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Hitoshi Mitake <h.mitake@gmail.com>,
linux-kernel@vger.kernel.org, mitake.hitoshi@gmail.com
Subject: Re: [PATCH] perf bench: fix memory allocation fail check in mem{set,cpy} workloads
Date: Thu, 06 Jun 2013 23:06:04 +0900 [thread overview]
Message-ID: <87vc5re3lf.wl%mitake.hitoshi@gmail.com> (raw)
In-Reply-To: <1370518503-4230-1-git-send-email-kirill.shutemov@linux.intel.com>
Hi Kirill,
At Thu, 6 Jun 2013 14:35:03 +0300,
Kirill A. Shutemov wrote:
>
> From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
>
> Addresses of allocated memory areas saved to '*src' and '*dst', so we
> need to check them for NULL, not 'src' and 'dst'.
Thanks for your fix, this is my mistake.
Acked-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> ---
> tools/perf/bench/mem-memcpy.c | 4 ++--
> tools/perf/bench/mem-memset.c | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c
> index 93c83e3..25fd3f1 100644
> --- a/tools/perf/bench/mem-memcpy.c
> +++ b/tools/perf/bench/mem-memcpy.c
> @@ -111,11 +111,11 @@ static double timeval2double(struct timeval *ts)
> static void alloc_mem(void **dst, void **src, size_t length)
> {
> *dst = zalloc(length);
> - if (!dst)
> + if (!*dst)
> die("memory allocation failed - maybe length is too large?\n");
>
> *src = zalloc(length);
> - if (!src)
> + if (!*src)
> die("memory allocation failed - maybe length is too large?\n");
> }
>
> diff --git a/tools/perf/bench/mem-memset.c b/tools/perf/bench/mem-memset.c
> index c6e4bc5..4a2f120 100644
> --- a/tools/perf/bench/mem-memset.c
> +++ b/tools/perf/bench/mem-memset.c
> @@ -111,7 +111,7 @@ static double timeval2double(struct timeval *ts)
> static void alloc_mem(void **dst, size_t length)
> {
> *dst = zalloc(length);
> - if (!dst)
> + if (!*dst)
> die("memory allocation failed - maybe length is too large?\n");
> }
>
> --
> 1.7.10.4
>
> --
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next prev parent reply other threads:[~2013-06-06 14:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-06 11:35 [PATCH] perf bench: fix memory allocation fail check in mem{set,cpy} workloads Kirill A. Shutemov
2013-06-06 14:06 ` Hitoshi Mitake [this message]
2013-07-12 8:49 ` [tip:perf/urgent] perf bench: Fix " tip-bot for Kirill A. Shutemov
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