76 lines
2.1 KiB
Diff
76 lines
2.1 KiB
Diff
From 7b65dd6d71dfff35847440e19d309990dfcb29d3 Mon Sep 17 00:00:00 2001
|
|
From: Anna Sztukowska <anna.sztukowska@intel.com>
|
|
Date: Mon, 29 Jul 2024 07:47:39 +0200
|
|
Subject: [PATCH 172/201] Detail.c: Fix divide_by_zero issue
|
|
|
|
Fix divide_by_zero issue reported by SAST analysis in Detail.c when
|
|
calling enough() from util.c. Also add missing spaces for better code
|
|
readability.
|
|
|
|
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
|
|
---
|
|
util.c | 15 +++++++++------
|
|
1 file changed, 9 insertions(+), 6 deletions(-)
|
|
|
|
diff --git a/util.c b/util.c
|
|
index 2fc0e9f8..cc162278 100644
|
|
--- a/util.c
|
|
+++ b/util.c
|
|
@@ -513,6 +513,9 @@ int enough(int level, int raid_disks, int layout, int clean, char *avail)
|
|
int i;
|
|
int avail_disks = 0;
|
|
|
|
+ if (raid_disks <= 0)
|
|
+ return 0;
|
|
+
|
|
for (i = 0; i < raid_disks; i++)
|
|
avail_disks += !!avail[i];
|
|
|
|
@@ -521,7 +524,7 @@ int enough(int level, int raid_disks, int layout, int clean, char *avail)
|
|
/* This is the tricky one - we need to check
|
|
* which actual disks are present.
|
|
*/
|
|
- copies = (layout&255)* ((layout>>8) & 255);
|
|
+ copies = (layout & 255) * ((layout >> 8) & 255);
|
|
first = 0;
|
|
do {
|
|
/* there must be one of the 'copies' form 'first' */
|
|
@@ -531,16 +534,16 @@ int enough(int level, int raid_disks, int layout, int clean, char *avail)
|
|
while (n--) {
|
|
if (avail[this])
|
|
cnt++;
|
|
- this = (this+1) % raid_disks;
|
|
+ this = (this + 1) % raid_disks;
|
|
}
|
|
if (cnt == 0)
|
|
return 0;
|
|
- first = (first+(layout&255)) % raid_disks;
|
|
+ first = (first + (layout & 255)) % raid_disks;
|
|
} while (first != 0);
|
|
return 1;
|
|
|
|
case LEVEL_MULTIPATH:
|
|
- return avail_disks>= 1;
|
|
+ return avail_disks >= 1;
|
|
case LEVEL_LINEAR:
|
|
case 0:
|
|
return avail_disks == raid_disks;
|
|
@@ -556,12 +559,12 @@ int enough(int level, int raid_disks, int layout, int clean, char *avail)
|
|
/* FALL THROUGH */
|
|
case 5:
|
|
if (clean)
|
|
- return avail_disks >= raid_disks-1;
|
|
+ return avail_disks >= raid_disks - 1;
|
|
else
|
|
return avail_disks >= raid_disks;
|
|
case 6:
|
|
if (clean)
|
|
- return avail_disks >= raid_disks-2;
|
|
+ return avail_disks >= raid_disks - 2;
|
|
else
|
|
return avail_disks >= raid_disks;
|
|
default:
|
|
--
|
|
2.41.0
|
|
|