diff options
Diffstat (limited to 'ipc/util.c')
| -rw-r--r-- | ipc/util.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ipc/util.c b/ipc/util.c index 7a5d5e393c4b..dc8943aa9719 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -811,6 +811,19 @@ int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids, return ipcget_public(ns, ids, ops, params); } +/** + * ipc_update_perm - update the permissions of an IPC. + * @in: the permission given as input. + * @out: the permission of the ipc to set. + */ +void ipc_update_perm(struct ipc64_perm *in, struct kern_ipc_perm *out) +{ + out->uid = in->uid; + out->gid = in->gid; + out->mode = (out->mode & ~S_IRWXUGO) + | (in->mode & S_IRWXUGO); +} + #ifdef __ARCH_WANT_IPC_PARSE_VERSION |