|
 |
f5dd7b |
From a4f7290c20c2ff78328c9db0b18029165cfb05b2 Mon Sep 17 00:00:00 2001
|
|
|
f5dd7b |
From: Jes Sorensen <jsorensen@fb.com>
|
|
|
f5dd7b |
Date: Tue, 9 Jul 2019 13:26:08 -0400
|
|
|
f5dd7b |
Subject: [RHEL7.8 PATCH V2 27/47] super-intel: Fix issue with abs() being
|
|
|
f5dd7b |
irrelevant
|
|
|
f5dd7b |
|
|
|
f5dd7b |
gcc9 complains about subtracting unsigned from unsigned and code
|
|
|
f5dd7b |
assuming the result can be negative.
|
|
|
f5dd7b |
|
|
|
f5dd7b |
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
|
|
|
f5dd7b |
---
|
|
|
f5dd7b |
super-intel.c | 4 ++--
|
|
|
f5dd7b |
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
f5dd7b |
|
|
|
f5dd7b |
diff --git a/super-intel.c b/super-intel.c
|
|
|
f5dd7b |
index 4fd5e84..230e164 100644
|
|
|
f5dd7b |
--- a/super-intel.c
|
|
|
f5dd7b |
+++ b/super-intel.c
|
|
|
f5dd7b |
@@ -2875,7 +2875,7 @@ static unsigned long long calc_component_size(struct imsm_map *map,
|
|
|
f5dd7b |
{
|
|
|
f5dd7b |
unsigned long long component_size;
|
|
|
f5dd7b |
unsigned long long dev_size = imsm_dev_size(dev);
|
|
|
f5dd7b |
- unsigned long long calc_dev_size = 0;
|
|
|
f5dd7b |
+ long long calc_dev_size = 0;
|
|
|
f5dd7b |
unsigned int member_disks = imsm_num_data_members(map);
|
|
|
f5dd7b |
|
|
|
f5dd7b |
if (member_disks == 0)
|
|
|
f5dd7b |
@@ -2889,7 +2889,7 @@ static unsigned long long calc_component_size(struct imsm_map *map,
|
|
|
f5dd7b |
* 2048 blocks per each device. If the difference is higher it means
|
|
|
f5dd7b |
* that array size was expanded and num_data_stripes was not updated.
|
|
|
f5dd7b |
*/
|
|
|
f5dd7b |
- if ((unsigned int)abs(calc_dev_size - dev_size) >
|
|
|
f5dd7b |
+ if (llabs(calc_dev_size - (long long)dev_size) >
|
|
|
f5dd7b |
(1 << SECT_PER_MB_SHIFT) * member_disks) {
|
|
|
f5dd7b |
component_size = dev_size / member_disks;
|
|
|
f5dd7b |
dprintf("Invalid num_data_stripes in metadata; expected=%llu, found=%llu\n",
|
|
|
f5dd7b |
--
|
|
|
f5dd7b |
2.7.5
|
|
|
f5dd7b |
|