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authorDavidlohr Bueso <dave@stgolabs.net>2015-06-30 17:58:42 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-30 22:44:58 -0400
commit55b7ae50167efc9b1c4f8fb60a99478cd46a82f7 (patch)
tree62c41a1492732e4e012c09ad4e319221acd7e51e /ipc
parentff35e5ef86fea1fa84eb7fdc939d0b1e3f1222bf (diff)
ipc: rename ipc_obtain_object
... to ipc_obtain_object_idr, which is more meaningful and makes the code slightly easier to follow. Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/msg.c2
-rw-r--r--ipc/sem.c4
-rw-r--r--ipc/shm.c2
-rw-r--r--ipc/util.c8
-rw-r--r--ipc/util.h2
5 files changed, 9 insertions, 9 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index a9c3c519490a..66c4f567eb73 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -76,7 +76,7 @@ struct msg_sender {
76 76
77static inline struct msg_queue *msq_obtain_object(struct ipc_namespace *ns, int id) 77static inline struct msg_queue *msq_obtain_object(struct ipc_namespace *ns, int id)
78{ 78{
79 struct kern_ipc_perm *ipcp = ipc_obtain_object(&msg_ids(ns), id); 79 struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&msg_ids(ns), id);
80 80
81 if (IS_ERR(ipcp)) 81 if (IS_ERR(ipcp))
82 return ERR_CAST(ipcp); 82 return ERR_CAST(ipcp);
diff --git a/ipc/sem.c b/ipc/sem.c
index d1a6edd17eba..bc3d530cb23e 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -391,7 +391,7 @@ static inline struct sem_array *sem_obtain_lock(struct ipc_namespace *ns,
391 struct kern_ipc_perm *ipcp; 391 struct kern_ipc_perm *ipcp;
392 struct sem_array *sma; 392 struct sem_array *sma;
393 393
394 ipcp = ipc_obtain_object(&sem_ids(ns), id); 394 ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);
395 if (IS_ERR(ipcp)) 395 if (IS_ERR(ipcp))
396 return ERR_CAST(ipcp); 396 return ERR_CAST(ipcp);
397 397
@@ -410,7 +410,7 @@ static inline struct sem_array *sem_obtain_lock(struct ipc_namespace *ns,
410 410
411static inline struct sem_array *sem_obtain_object(struct ipc_namespace *ns, int id) 411static inline struct sem_array *sem_obtain_object(struct ipc_namespace *ns, int id)
412{ 412{
413 struct kern_ipc_perm *ipcp = ipc_obtain_object(&sem_ids(ns), id); 413 struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);
414 414
415 if (IS_ERR(ipcp)) 415 if (IS_ERR(ipcp))
416 return ERR_CAST(ipcp); 416 return ERR_CAST(ipcp);
diff --git a/ipc/shm.c b/ipc/shm.c
index bd9c91f433c1..06e5cf2fe019 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -129,7 +129,7 @@ void __init shm_init(void)
129 129
130static inline struct shmid_kernel *shm_obtain_object(struct ipc_namespace *ns, int id) 130static inline struct shmid_kernel *shm_obtain_object(struct ipc_namespace *ns, int id)
131{ 131{
132 struct kern_ipc_perm *ipcp = ipc_obtain_object(&shm_ids(ns), id); 132 struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&shm_ids(ns), id);
133 133
134 if (IS_ERR(ipcp)) 134 if (IS_ERR(ipcp))
135 return ERR_CAST(ipcp); 135 return ERR_CAST(ipcp);
diff --git a/ipc/util.c b/ipc/util.c
index 537a41c7f633..3fdfabfdd9c3 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -555,7 +555,7 @@ void ipc64_perm_to_ipc_perm(struct ipc64_perm *in, struct ipc_perm *out)
555 * Call inside the RCU critical section. 555 * Call inside the RCU critical section.
556 * The ipc object is *not* locked on exit. 556 * The ipc object is *not* locked on exit.
557 */ 557 */
558struct kern_ipc_perm *ipc_obtain_object(struct ipc_ids *ids, int id) 558struct kern_ipc_perm *ipc_obtain_object_idr(struct ipc_ids *ids, int id)
559{ 559{
560 struct kern_ipc_perm *out; 560 struct kern_ipc_perm *out;
561 int lid = ipcid_to_idx(id); 561 int lid = ipcid_to_idx(id);
@@ -581,7 +581,7 @@ struct kern_ipc_perm *ipc_lock(struct ipc_ids *ids, int id)
581 struct kern_ipc_perm *out; 581 struct kern_ipc_perm *out;
582 582
583 rcu_read_lock(); 583 rcu_read_lock();
584 out = ipc_obtain_object(ids, id); 584 out = ipc_obtain_object_idr(ids, id);
585 if (IS_ERR(out)) 585 if (IS_ERR(out))
586 goto err1; 586 goto err1;
587 587
@@ -605,7 +605,7 @@ err1:
605 * @ids: ipc identifier set 605 * @ids: ipc identifier set
606 * @id: ipc id to look for 606 * @id: ipc id to look for
607 * 607 *
608 * Similar to ipc_obtain_object() but also checks 608 * Similar to ipc_obtain_object_idr() but also checks
609 * the ipc object reference counter. 609 * the ipc object reference counter.
610 * 610 *
611 * Call inside the RCU critical section. 611 * Call inside the RCU critical section.
@@ -613,7 +613,7 @@ err1:
613 */ 613 */
614struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id) 614struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id)
615{ 615{
616 struct kern_ipc_perm *out = ipc_obtain_object(ids, id); 616 struct kern_ipc_perm *out = ipc_obtain_object_idr(ids, id);
617 617
618 if (IS_ERR(out)) 618 if (IS_ERR(out))
619 goto out; 619 goto out;
diff --git a/ipc/util.h b/ipc/util.h
index 1a5a0fcd099c..3a8a5a0eca62 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -132,7 +132,7 @@ void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head));
132void ipc_rcu_free(struct rcu_head *head); 132void ipc_rcu_free(struct rcu_head *head);
133 133
134struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int); 134struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
135struct kern_ipc_perm *ipc_obtain_object(struct ipc_ids *ids, int id); 135struct kern_ipc_perm *ipc_obtain_object_idr(struct ipc_ids *ids, int id);
136 136
137void kernel_to_ipc64_perm(struct kern_ipc_perm *in, struct ipc64_perm *out); 137void kernel_to_ipc64_perm(struct kern_ipc_perm *in, struct ipc64_perm *out);
138void ipc64_perm_to_ipc_perm(struct ipc64_perm *in, struct ipc_perm *out); 138void ipc64_perm_to_ipc_perm(struct ipc64_perm *in, struct ipc_perm *out);