40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From a4f7290c20c2ff78328c9db0b18029165cfb05b2 Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <jsorensen@fb.com>
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Date: Tue, 9 Jul 2019 13:26:08 -0400
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Subject: [RHEL7.8 PATCH V2 27/47] super-intel: Fix issue with abs() being
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irrelevant
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gcc9 complains about subtracting unsigned from unsigned and code
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assuming the result can be negative.
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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super-intel.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/super-intel.c b/super-intel.c
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index 4fd5e84..230e164 100644
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--- a/super-intel.c
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+++ b/super-intel.c
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@@ -2875,7 +2875,7 @@ static unsigned long long calc_component_size(struct imsm_map *map,
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{
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unsigned long long component_size;
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unsigned long long dev_size = imsm_dev_size(dev);
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- unsigned long long calc_dev_size = 0;
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+ long long calc_dev_size = 0;
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unsigned int member_disks = imsm_num_data_members(map);
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if (member_disks == 0)
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@@ -2889,7 +2889,7 @@ static unsigned long long calc_component_size(struct imsm_map *map,
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* 2048 blocks per each device. If the difference is higher it means
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* that array size was expanded and num_data_stripes was not updated.
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*/
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- if ((unsigned int)abs(calc_dev_size - dev_size) >
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+ if (llabs(calc_dev_size - (long long)dev_size) >
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(1 << SECT_PER_MB_SHIFT) * member_disks) {
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component_size = dev_size / member_disks;
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dprintf("Invalid num_data_stripes in metadata; expected=%llu, found=%llu\n",
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--
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2.7.5
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