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| author |   Davidlohr Bueso <dave@stgolabs.net> | 2018-08-21 22:01:56 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 10:52:52 -0700 |
| commit | eae04d25a713304c978d7c45dcab01b0e0811c74 (patch) | |
| tree | 7b2dfd99330a00a7586a8b8368161df9457bcd96 /ipc/util.c | |
| parent | ipc: get rid of ids->tables_initialized hack (diff) | |
| download | linux-dev-eae04d25a713304c978d7c45dcab01b0e0811c74.tar.xz linux-dev-eae04d25a713304c978d7c45dcab01b0e0811c74.zip | |
ipc: simplify ipc initialization
Now that we know that rhashtable_init() will not fail, we can get rid of a
lot of the unnecessary cleanup paths when the call errored out.
[manfred@colorfullife.com: variable name added to util.h to resolve checkpatch warning]
Link: http://lkml.kernel.org/r/20180712185241.4017-11-manfred@colorfullife.com
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Kees Cook <keescook@chromium.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/util.c')
| -rw-r--r-- | ipc/util.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/ipc/util.c b/ipc/util.c index 7c1387c9510d..a2aae8c1410d 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -88,16 +88,12 @@ struct ipc_proc_iface { */ static int __init ipc_init(void) { - int err_sem, err_msg; - proc_mkdir("sysvipc", NULL); - err_sem = sem_init(); - WARN(err_sem, "ipc: sysv sem_init failed: %d\n", err_sem); - err_msg = msg_init(); - WARN(err_msg, "ipc: sysv msg_init failed: %d\n", err_msg); + sem_init(); + msg_init(); shm_init(); - return err_msg ? err_msg : err_sem; + return 0; } device_initcall(ipc_init); @@ -116,21 +112,17 @@ static const struct rhashtable_params ipc_kht_params = { * Set up the sequence range to use for the ipc identifier range (limited * below IPCMNI) then initialise the keys hashtable and ids idr. */ -int ipc_init_ids(struct ipc_ids *ids) +void ipc_init_ids(struct ipc_ids *ids) { - int err; ids->in_use = 0; ids->seq = 0; init_rwsem(&ids->rwsem); - err = rhashtable_init(&ids->key_ht, &ipc_kht_params); - if (err) - return err; + rhashtable_init(&ids->key_ht, &ipc_kht_params); idr_init(&ids->ipcs_idr); ids->max_id = -1; #ifdef CONFIG_CHECKPOINT_RESTORE ids->next_id = -1; #endif - return 0; } #ifdef CONFIG_PROC_FS |