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-rw-r--r--ipc/util.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/ipc/util.c b/ipc/util.c
index 7a5d5e3..dc8943a 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
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