[PATCH bpf-next v2 5/7] bpf: change func bpf_iter_unreg_target() signature

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Change func bpf_iter_unreg_target() parameter from target
name to target reg_info, similar to bpf_iter_reg_target().

Acked-by: Andrii Nakryiko <andriin@xxxxxx>
Signed-off-by: Yonghong Song <yhs@xxxxxx>
---
 include/linux/bpf.h   | 2 +-
 kernel/bpf/bpf_iter.c | 4 ++--
 net/ipv6/route.c      | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 6fa773e2d1bf..534174eca86b 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1154,7 +1154,7 @@ struct bpf_iter_meta {
 };
 
 int bpf_iter_reg_target(const struct bpf_iter_reg *reg_info);
-void bpf_iter_unreg_target(const char *target);
+void bpf_iter_unreg_target(const struct bpf_iter_reg *reg_info);
 bool bpf_iter_prog_supported(struct bpf_prog *prog);
 int bpf_iter_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
 int bpf_iter_new_fd(struct bpf_link *link);
diff --git a/kernel/bpf/bpf_iter.c b/kernel/bpf/bpf_iter.c
index 051fb8cab62a..644f8626b2c0 100644
--- a/kernel/bpf/bpf_iter.c
+++ b/kernel/bpf/bpf_iter.c
@@ -257,14 +257,14 @@ int bpf_iter_reg_target(const struct bpf_iter_reg *reg_info)
 	return 0;
 }
 
-void bpf_iter_unreg_target(const char *target)
+void bpf_iter_unreg_target(const struct bpf_iter_reg *reg_info)
 {
 	struct bpf_iter_target_info *tinfo;
 	bool found = false;
 
 	mutex_lock(&targets_mutex);
 	list_for_each_entry(tinfo, &targets, list) {
-		if (!strcmp(target, tinfo->reg_info->target)) {
+		if (reg_info == tinfo->reg_info) {
 			list_del(&tinfo->list);
 			kfree(tinfo);
 			found = true;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6ad2fa51a23a..22bf4e36c093 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -6412,7 +6412,7 @@ static int __init bpf_iter_register(void)
 
 static void bpf_iter_unregister(void)
 {
-	bpf_iter_unreg_target("ipv6_route");
+	bpf_iter_unreg_target(&ipv6_route_reg_info);
 }
 #endif
 #endif
-- 
2.24.1





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