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virLockManagerSanlockAddDisk: Refactor cleanup

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Use g_autofree to allow removal of 'cleanup:' and the 'ret' variable.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Peter Krempa 2021-02-03 13:25:46 +01:00
parent 30a42dcddc
commit 7d836cfba1
1 changed files with 10 additions and 18 deletions
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28
src/locking/lock_driver_sanlock.c
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@ -581,10 +581,9 @@ virLockManagerSanlockAddDisk(virLockManagerSanlockDriverPtr driver,
bool shared)
{
virLockManagerSanlockPrivatePtr priv = lock->privateData;
int ret = -1;
struct sanlk_resource *res = NULL;
char *path = NULL;
char *hash = NULL;
g_autofree struct sanlk_resource *res = NULL;
g_autofree char *path = NULL;
g_autofree char *hash = NULL;
if (nparams) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@ -593,17 +592,17 @@ virLockManagerSanlockAddDisk(virLockManagerSanlockDriverPtr driver,
}
if (VIR_ALLOC_VAR(res, struct sanlk_disk, 1) < 0)
goto cleanup;
return -1;
res->flags = shared ? SANLK_RES_SHARED : 0;
res->num_disks = 1;
if (virCryptoHashString(VIR_CRYPTO_HASH_MD5, name, &hash) < 0)
goto cleanup;
return -1;
if (virStrcpy(res->name, hash, SANLK_NAME_LEN) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("MD5 hash '%s' unexpectedly larger than %d characters"),
hash, (SANLK_NAME_LEN - 1));
goto cleanup;
return -1;
}
path = g_strdup_printf("%s/%s", driver->autoDiskLeasePath, res->name);
@ -611,7 +610,7 @@ virLockManagerSanlockAddDisk(virLockManagerSanlockDriverPtr driver,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Lease path '%s' exceeds %d characters"),
path, SANLK_PATH_LEN);
goto cleanup;
return -1;
}
if (virStrcpy(res->lockspace_name,
@ -620,20 +619,13 @@ virLockManagerSanlockAddDisk(virLockManagerSanlockDriverPtr driver,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Resource lockspace '%s' exceeds %d characters"),
VIR_LOCK_MANAGER_SANLOCK_AUTO_DISK_LOCKSPACE, SANLK_NAME_LEN);
goto cleanup;
return -1;
}
priv->res_args[priv->res_count] = res;
priv->res_args[priv->res_count] = g_steal_pointer(&res);
priv->res_count++;
ret = 0;
cleanup:
if (ret == -1)
VIR_FREE(res);
VIR_FREE(path);
VIR_FREE(hash);
return ret;
return 0;
}