[PATCH net-next] xdp: Remove usage of the deprecated ida_simple_xx() API

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ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range() is inclusive. So a -1 has been added when needed.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 net/core/xdp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/core/xdp.c b/net/core/xdp.c
index 4869c1c2d8f3..27b585f3fa81 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -75,7 +75,7 @@ static void __xdp_mem_allocator_rcu_free(struct rcu_head *rcu)
 	xa = container_of(rcu, struct xdp_mem_allocator, rcu);
 
 	/* Allow this ID to be reused */
-	ida_simple_remove(&mem_id_pool, xa->mem.id);
+	ida_free(&mem_id_pool, xa->mem.id);
 
 	kfree(xa);
 }
@@ -242,7 +242,7 @@ static int __mem_id_cyclic_get(gfp_t gfp)
 	int id;
 
 again:
-	id = ida_simple_get(&mem_id_pool, mem_id_next, MEM_ID_MAX, gfp);
+	id = ida_alloc_range(&mem_id_pool, mem_id_next, MEM_ID_MAX - 1, gfp);
 	if (id < 0) {
 		if (id == -ENOSPC) {
 			/* Cyclic allocator, reset next id */
@@ -317,7 +317,7 @@ static struct xdp_mem_allocator *__xdp_reg_mem_model(struct xdp_mem_info *mem,
 	/* Insert allocator into ID lookup table */
 	ptr = rhashtable_insert_slow(mem_id_ht, &id, &xdp_alloc->node);
 	if (IS_ERR(ptr)) {
-		ida_simple_remove(&mem_id_pool, mem->id);
+		ida_free(&mem_id_pool, mem->id);
 		mem->id = 0;
 		errno = PTR_ERR(ptr);
 		goto err;
-- 
2.43.0





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