1) do not initialise globals to NULL
2) improve readability of hlist_for_each_entry_safe()
3) move */ to a separate line
4) change symbol == NULL to !symbol
Signed-off-by: Swee Hua Law <sweehua81@xxxxxxxxx>
---
drivers/staging/lustre/lustre/llite/remote_perm.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/lustre/lustre/llite/remote_perm.c b/drivers/staging/lustre/lustre/llite/remote_perm.c
index a581826..39022ea 100644
--- a/drivers/staging/lustre/lustre/llite/remote_perm.c
+++ b/drivers/staging/lustre/lustre/llite/remote_perm.c
@@ -54,8 +54,8 @@
#include "../include/lustre_param.h"
#include "llite_internal.h"
-struct kmem_cache *ll_remote_perm_cachep = NULL;
-struct kmem_cache *ll_rmtperm_hash_cachep = NULL;
+struct kmem_cache *ll_remote_perm_cachep;
+struct kmem_cache *ll_rmtperm_hash_cachep;
static inline struct ll_remote_perm *alloc_ll_remote_perm(void)
{
@@ -104,8 +104,7 @@ void free_rmtperm_hash(struct hlist_head *hash)
return;
for (i = 0; i < REMOTE_PERM_HASHSIZE; i++)
- hlist_for_each_entry_safe(lrp, next, hash + i,
- lrp_list)
+ hlist_for_each_entry_safe(lrp, next, hash + i, lrp_list)
free_ll_remote_perm(lrp);
OBD_SLAB_FREE(hash, ll_rmtperm_hash_cachep,
REMOTE_PERM_HASHSIZE * sizeof(*hash));
@@ -117,7 +116,8 @@ static inline int remote_perm_hashfunc(uid_t uid)
}
/* NB: setxid permission is not checked here, instead it's done on
- * MDT when client get remote permission. */
+ * MDT when client get remote permission.
+ */
static int do_check_remote_perm(struct ll_inode_info *lli, int mask)
{
struct hlist_head *head;
@@ -184,7 +184,7 @@ int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm)
if (!lli->lli_remote_perms) {
perm_hash = alloc_rmtperm_hash();
- if (perm_hash == NULL) {
+ if (!perm_hash) {
CERROR("alloc lli_remote_perms failed!\n");
return -ENOMEM;
}
@@ -287,7 +287,7 @@ int lustre_check_remote_perm(struct inode *inode, int mask)
perm = req_capsule_server_swab_get(&req->rq_pill, &RMF_ACL,
lustre_swab_mdt_remote_perm);
- if (unlikely(perm == NULL)) {
+ if (unlikely(!perm)) {
mutex_unlock(&lli->lli_rmtperm_mutex);
rc = -EPROTO;
break;
@@ -321,8 +321,7 @@ void ll_free_remote_perms(struct inode *inode)
spin_lock(&lli->lli_lock);
for (i = 0; i < REMOTE_PERM_HASHSIZE; i++) {
- hlist_for_each_entry_safe(lrp, node, next, hash + i,
- lrp_list)
+ hlist_for_each_entry_safe(lrp, node, next, hash + i, lrp_list)
free_ll_remote_perm(lrp);
}
--
2.1.4
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