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[bpf-next] bpf, sockmap: Simplify iteration on link removal

Message ID 20250307-sockmap-del-link-cleanup-v1-1-a042364bbeb1@rbox.co (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series [bpf-next] bpf, sockmap: Simplify iteration on link removal | expand

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Commit Message

Michal Luczaj March 7, 2025, 10:16 a.m. UTC 
Since commit 75e072a390da ("bpf, sockmap: Fix update element with same"),
using the _safe variant of list_for_each_entry() is unnecessary.

Simplify the loop.

Signed-off-by: Michal Luczaj <mhal@rbox.co>
---
 net/core/sock_map.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


---
base-commit: 433873f9e6dad71f1d9a0d4966bfe92d26809dbd
change-id: 20250212-sockmap-del-link-cleanup-208ca01ba2f7

Best regards,

Comments

Alexei Starovoitov March 7, 2025, 6:36 p.m. UTC | #1 
On Fri, Mar 7, 2025 at 2:17 AM Michal Luczaj <mhal@rbox.co> wrote:
>
> Since commit 75e072a390da ("bpf, sockmap: Fix update element with same"),
> using the _safe variant of list_for_each_entry() is unnecessary.

This is too subtle.
Somebody modifying this function next would have to keep
all these nuances in mind.
Let's keep it as-is.

pw-bot: cr
diff mbox series

Patch

diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 82a14f131d00c604f1dfa51e51563aeacda44198..b89d42f7ba702badd5b00c6329e3c9eea8ed4fd3 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -143,10 +143,10 @@  static void sock_map_del_link(struct sock *sk,
 			      struct sk_psock *psock, void *link_raw)
 {
 	bool strp_stop = false, verdict_stop = false;
-	struct sk_psock_link *link, *tmp;
+	struct sk_psock_link *link;
 
 	spin_lock_bh(&psock->link_lock);
-	list_for_each_entry_safe(link, tmp, &psock->link, list) {
+	list_for_each_entry(link, &psock->link, list) {
 		if (link->link_raw == link_raw) {
 			struct bpf_map *map = link->map;
 			struct sk_psock_progs *progs = sock_map_progs(map);