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cov: check for dev_iter_create result

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dev_iter_create() may fail in malloc so check
for its error code.
This commit is contained in:
Zdenek Kabelac 2024-07-29 16:50:41 +02:00
parent 76936f2832
commit 22672be97d
2 changed files with 13 additions and 3 deletions
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15
lib/device/dev-cache.c
View File

@ -899,10 +899,13 @@ static int _insert_dir(const char *dir)
static int _dev_cache_iterate_devs_for_index(struct cmd_context *cmd)
{
struct dev_iter *iter = dev_iter_create(NULL, 0);
struct dev_iter *iter;
struct device *dev = NULL;
int r = 1;
if (!(iter = dev_iter_create(NULL, 0)))
return_0;
while ((dev = dev_iter_get(NULL, iter)))
if (!_index_dev_by_vgid_and_lvid(cmd, dev))
r = 0;
@ -1786,9 +1789,12 @@ struct device *dev_cache_get_by_devt(struct cmd_context *cmd, dev_t devt)
struct device *dev_cache_get_by_pvid(struct cmd_context *cmd, const char *pvid)
{
struct dev_iter *iter = dev_iter_create(NULL, 0);
struct dev_iter *iter;
struct device *dev;
if (!(iter = dev_iter_create(NULL, 0)))
return_NULL;
while ((dev = dev_iter_get(NULL, iter)))
if (!memcmp(dev->pvid, pvid, ID_LEN))
break;
@ -1868,9 +1874,12 @@ const char *dev_name(const struct device *dev)
bool dev_cache_has_md_with_end_superblock(struct dev_types *dt)
{
struct device *dev;
struct dev_iter *iter = dev_iter_create(NULL, 0);
struct dev_iter *iter;
bool ret = false;
if (!(iter = dev_iter_create(NULL, 0)))
return_false;
while ((dev = dev_iter_get(NULL, iter)))
if ((ret = dev_is_md_with_end_superblock(dt, dev)))
break;

1
lib/log/log.h
View File

@ -129,6 +129,7 @@
#define return_0 do { stack; return 0; } while (0)
#define return_NULL do { stack; return NULL; } while (0)
#define return_false do { stack; return false; } while (0)
#define return_EINVALID_CMD_LINE \
do { stack; return EINVALID_CMD_LINE; } while (0)
#define return_ECMD_FAILED do { stack; return ECMD_FAILED; } while (0)