Blame SOURCES/0012-super-intel-Use-memcpy-to-avoid-confusing-gcc.patch
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From 167d8bb8302170676f0e15123738e333383fec7b Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <jsorensen@fb.com>
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Date: Tue, 29 May 2018 16:09:47 -0400
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Subject: [RHEL7.5 PATCH 12/26] super-intel: Use memcpy() to avoid confusing
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gcc
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When added :0 to serial number and copying it back, use memcpy()
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instead of strncpy() as we know the actual length. This stops gcc
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from complaining with -Werror=stringop-truncation enabled
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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super-intel.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/super-intel.c b/super-intel.c
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index 449da1d..ec7683d 100644
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--- a/super-intel.c
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+++ b/super-intel.c
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@@ -8098,7 +8098,7 @@ static int mark_failure(struct intel_super *super,
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strcat(buf, ":0");
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if ((len = strlen(buf)) >= MAX_RAID_SERIAL_LEN)
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shift = len - MAX_RAID_SERIAL_LEN + 1;
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- strncpy((char *)disk->serial, &buf[shift], MAX_RAID_SERIAL_LEN);
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+ memcpy(disk->serial, &buf[shift], len + 1 - shift);
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disk->status |= FAILED_DISK;
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set_imsm_ord_tbl_ent(map, slot, idx | IMSM_ORD_REBUILD);
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--
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2.7.4
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