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ipc: simplify ipc initialization

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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.

[[email protected]: variable name added to util.h to resolve checkpatch warning]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Davidlohr Bueso <[email protected]>
Signed-off-by: Manfred Spraul <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Davidlohr Bueso 2018-08-21 22:01:56 -07:00 • committed by Linus Torvalds
commit eae04d25a7
6 changed files with 30 additions and 54 deletions
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9
ipc/shm.c
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@ -96,14 +96,14 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp);
static int sysvipc_shm_proc_show(struct seq_file *s, void *it);
#endif
int shm_init_ns(struct ipc_namespace *ns)
void shm_init_ns(struct ipc_namespace *ns)
{
ns->shm_ctlmax = SHMMAX;
ns->shm_ctlall = SHMALL;
ns->shm_ctlmni = SHMMNI;
ns->shm_rmid_forced = 0;
ns->shm_tot = 0;
return ipc_init_ids(&shm_ids(ns));
ipc_init_ids(&shm_ids(ns));
}
/*
@ -136,9 +136,8 @@ void shm_exit_ns(struct ipc_namespace *ns)
static int __init ipc_ns_init(void)
{
const int err = shm_init_ns(&init_ipc_ns);
WARN(err, "ipc: sysv shm_init_ns failed: %d\n", err);
return err;
shm_init_ns(&init_ipc_ns);
return 0;
}
pure_initcall(ipc_ns_init);