ocfs2: use list_for_each_entry() instead of list_for_each()
[dan.carpenter@oracle.com: fix up some NULL dereference bugs]
Signed-off-by: Dong Fang <yp.fangdong@gmail.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jeff Liu <jeff.liu@oracle.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index 0e28e24..e33cd7a 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -96,7 +96,6 @@
void __dlm_print_one_lock_resource(struct dlm_lock_resource *res)
{
- struct list_head *iter2;
struct dlm_lock *lock;
char buf[DLM_LOCKID_NAME_MAX];
@@ -118,18 +117,15 @@
res->inflight_locks, atomic_read(&res->asts_reserved));
dlm_print_lockres_refmap(res);
printk(" granted queue:\n");
- list_for_each(iter2, &res->granted) {
- lock = list_entry(iter2, struct dlm_lock, list);
+ list_for_each_entry(lock, &res->granted, list) {
__dlm_print_lock(lock);
}
printk(" converting queue:\n");
- list_for_each(iter2, &res->converting) {
- lock = list_entry(iter2, struct dlm_lock, list);
+ list_for_each_entry(lock, &res->converting, list) {
__dlm_print_lock(lock);
}
printk(" blocked queue:\n");
- list_for_each(iter2, &res->blocked) {
- lock = list_entry(iter2, struct dlm_lock, list);
+ list_for_each_entry(lock, &res->blocked, list) {
__dlm_print_lock(lock);
}
}
@@ -446,7 +442,6 @@
{
struct dlm_master_list_entry *mle;
struct hlist_head *bucket;
- struct hlist_node *list;
int i, out = 0;
unsigned long total = 0, longest = 0, bucket_count = 0;
@@ -456,9 +451,7 @@
spin_lock(&dlm->master_lock);
for (i = 0; i < DLM_HASH_BUCKETS; i++) {
bucket = dlm_master_hash(dlm, i);
- hlist_for_each(list, bucket) {
- mle = hlist_entry(list, struct dlm_master_list_entry,
- master_hash_node);
+ hlist_for_each_entry(mle, bucket, master_hash_node) {
++total;
++bucket_count;
if (len - out < 200)