[PATCH] bpf: remove unnecessary type castings

[PATCH] bpf: remove unnecessary type castings

[Yu Zhe]

remove unnecessary void* type castings.

Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
---
 kernel/bpf/bpf_struct_ops.c | 4 ++--
 kernel/bpf/hashtab.c        | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index 21069dbe9138..de01d37c2d3b 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -263,7 +263,7 @@ int bpf_struct_ops_map_sys_lookup_elem(struct bpf_map *map, void *key,
 	/* No lock is needed.  state and refcnt do not need
 	 * to be updated together under atomic context.
 	 */
-	uvalue = (struct bpf_struct_ops_value *)value;
+	uvalue = value;
 	memcpy(uvalue, st_map->uvalue, map->value_size);
 	uvalue->state = state;
 	refcount_set(&uvalue->refcnt, refcount_read(&kvalue->refcnt));
@@ -353,7 +353,7 @@ static int bpf_struct_ops_map_update_elem(struct bpf_map *map, void *key,
 	if (err)
 		return err;
 
-	uvalue = (struct bpf_struct_ops_value *)value;
+	uvalue = value;
 	err = check_zero_holes(t, uvalue->data);
 	if (err)
 		return err;
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 65877967f414..c68fbebc8c00 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -738,7 +738,7 @@ static void check_and_free_timer(struct bpf_htab *htab, struct htab_elem *elem)
  */
 static bool htab_lru_map_delete_node(void *arg, struct bpf_lru_node *node)
 {
-	struct bpf_htab *htab = (struct bpf_htab *)arg;
+	struct bpf_htab *htab = arg;
 	struct htab_elem *l = NULL, *tgt_l;
 	struct hlist_nulls_head *head;
 	struct hlist_nulls_node *n;
-- 
2.25.1

Re: [PATCH] bpf: remove unnecessary type castings

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Tue, 12 Apr 2022 18:50:48 -0700 you wrote:
> remove unnecessary void* type castings.
> 
> Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
> ---
>  kernel/bpf/bpf_struct_ops.c | 4 ++--
>  kernel/bpf/hashtab.c        | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)

Here is the summary with links:
  - bpf: remove unnecessary type castings
    https://git.kernel.org/bpf/bpf-next/c/241d50ec5d79

You are awesome, thank you!
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