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Date: Thu, 6 Jun 2013 14:35:03 +0300
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
Hitoshi Mitake <h.mitake@...il.com>
Cc: linux-kernel@...r.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCH] perf bench: fix memory allocation fail check in mem{set,cpy} workloads
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Addresses of allocated memory areas saved to '*src' and '*dst', so we
need to check them for NULL, not 'src' and 'dst'.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.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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