Blame SOURCES/0002-avoid-calling-memset-with-zero-length.patch
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From 378ffb7cca7fca1cb64ff3a2e50496c18011dd07 Mon Sep 17 00:00:00 2001
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From: Michal Schmidt <mschmidt@redhat.com>
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Date: Wed, 12 Aug 2015 14:25:53 +0200
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Subject: [PATCH] avoid calling memset with zero length
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This avoids the following build error:
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In file included from /usr/include/string.h:638:0,
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from ./include/opa_user.h:77,
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from psm_user.h:67,
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from psm_diags.c:56:
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In function 'memset',
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inlined from 'memcpy_check_one.constprop.4' at psm_diags.c:278:8,
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inlined from 'memcpy_check_size.constprop.2' at psm_diags.c:335:30,
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inlined from 'psmi_test_memcpy.constprop.1' at psm_diags.c:230:6,
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inlined from 'psmi_diags' at psm_diags.c:84:25:
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/usr/include/bits/string3.h:81:30: error: call to
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'__warn_memset_zero_len' declared with attribute warning: memset used
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with constant zero length parameter; this could be due to transposed
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parameters [-Werror]
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__warn_memset_zero_len ();
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^
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---
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psm_diags.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/psm_diags.c b/psm_diags.c
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index 286e72bd8a..152968750c 100644
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--- a/psm_diags.c
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+++ b/psm_diags.c
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@@ -275,6 +275,10 @@ void *memcpy_check_one(memcpy_fn_t fn, void *dst, void *src, size_t n)
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((uintptr_t) dst ^ (uintptr_t) src ^ (uintptr_t) n);
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unsigned int state;
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size_t i;
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+
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+ if (!n)
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+ return dst;
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+
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memset(src, 0x55, n);
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memset(dst, 0xaa, n);
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srand(seed);
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--
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2.4.3
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