From 6e77cc471090a2f37802cb328bffe4ce56f4ce18 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <willy@infradead.org>
Date: Sun, 17 Jun 2018 05:37:08 -0400
Subject: [PATCH] Convert net_namespace to new IDA API
Signed-off-by: Matthew Wilcox <willy@infradead.org>
---
net/core/net_namespace.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index a11e03f920d3..f447cebdcea3 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -973,22 +973,18 @@ static int register_pernet_operations(struct list_head *list,
int error;
if (ops->id) {
-again:
- error = ida_get_new_above(&net_generic_ids, MIN_PERNET_OPS_ID, ops->id);
- if (error < 0) {
- if (error == -EAGAIN) {
- ida_pre_get(&net_generic_ids, GFP_KERNEL);
- goto again;
- }
+ error = ida_alloc_min(&net_generic_ids, MIN_PERNET_OPS_ID,
+ GFP_KERNEL);
+ if (error < 0)
return error;
- }
+ *ops->id = error;
max_gen_ptrs = max(max_gen_ptrs, *ops->id + 1);
}
error = __register_pernet_operations(list, ops);
if (error) {
rcu_barrier();
if (ops->id)
- ida_remove(&net_generic_ids, *ops->id);
+ ida_free(&net_generic_ids, *ops->id);
}
return error;
@@ -999,7 +995,7 @@ static void unregister_pernet_operations(struct pernet_operations *ops)
__unregister_pernet_operations(ops);
rcu_barrier();
if (ops->id)
- ida_remove(&net_generic_ids, *ops->id);
+ ida_free(&net_generic_ids, *ops->id);
}
/**
--
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