[lvm-devel] main - cov: ensure settings is set
Zdenek Kabelac
zkabelac at sourceware.org
Wed Mar 10 00:36:46 UTC 2021
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=a66380ea3ebcdb21e5b63f5991810e421092b245
Commit: a66380ea3ebcdb21e5b63f5991810e421092b245
Parent: f7912635a0698b73120adf499f335145506a8b9e
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Tue Mar 9 16:32:36 2021 +0100
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Wed Mar 10 01:35:02 2021 +0100
cov: ensure settings is set
---
lib/report/properties.c | 17 ++++++++++-------
lib/report/report.c | 9 +++++----
2 files changed, 15 insertions(+), 11 deletions(-)
diff --git a/lib/report/properties.c b/lib/report/properties.c
index 82a6a7856..f2174b83c 100644
--- a/lib/report/properties.c
+++ b/lib/report/properties.c
@@ -93,23 +93,26 @@ static uint32_t _raidmaxrecoveryrate(const struct logical_volume *lv)
static const char *_raidintegritymode(const struct logical_volume *lv)
{
- struct integrity_settings *settings;
+ struct integrity_settings *settings = NULL;
if (lv_raid_has_integrity((struct logical_volume *)lv))
lv_get_raid_integrity_settings((struct logical_volume *)lv, &settings);
else if (lv_is_integrity(lv))
settings = &first_seg(lv)->integrity_settings;
- if (settings->mode[0] == 'B')
- return "bitmap";
- if (settings->mode[0] == 'J')
- return "journal";
+ if (settings) {
+ switch (settings->mode[0]) {
+ case 'B': return "bitmap";
+ case 'J': return "journal";
+ }
+ }
+
return "unknown";
}
static uint32_t _raidintegrityblocksize(const struct logical_volume *lv)
{
- struct integrity_settings *settings;
+ struct integrity_settings *settings = NULL;
if (lv_raid_has_integrity((struct logical_volume *)lv))
lv_get_raid_integrity_settings((struct logical_volume *)lv, &settings);
@@ -118,7 +121,7 @@ static uint32_t _raidintegrityblocksize(const struct logical_volume *lv)
else
return 0;
- return settings->block_size;
+ return (settings) ? settings->block_size : 0;
}
static uint64_t _integritymismatches(const struct logical_volume *lv)
diff --git a/lib/report/report.c b/lib/report/report.c
index 80fae2147..2f5811a96 100644
--- a/lib/report/report.c
+++ b/lib/report/report.c
@@ -3278,7 +3278,7 @@ static int _raidintegritymode_disp(struct dm_report *rh __attribute__((unused)),
void *private __attribute__((unused)))
{
struct logical_volume *lv = (struct logical_volume *) data;
- struct integrity_settings *settings;
+ struct integrity_settings *settings = NULL;
const char *mode = NULL;
char *repstr;
@@ -3289,7 +3289,7 @@ static int _raidintegritymode_disp(struct dm_report *rh __attribute__((unused)),
else
goto out;
- if (settings->mode[0]) {
+ if (settings && settings->mode[0]) {
if (settings->mode[0] == 'B')
mode = "bitmap";
else if (settings->mode[0] == 'J')
@@ -3314,13 +3314,14 @@ static int _raidintegrityblocksize_disp(struct dm_report *rh __attribute__((unus
void *private __attribute__((unused)))
{
struct logical_volume *lv = (struct logical_volume *) data;
- struct integrity_settings *settings;
+ struct integrity_settings *settings = NULL;
if (lv_raid_has_integrity(lv))
lv_get_raid_integrity_settings(lv, &settings);
else if (lv_is_integrity(lv))
settings = &first_seg(lv)->integrity_settings;
- else
+
+ if (!settings)
return dm_report_field_int32(rh, field, &GET_TYPE_RESERVED_VALUE(num_undef_32));
return dm_report_field_uint32(rh, field, &settings->block_size);
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