linux-kernel - [PATCH v3 bpf-next 1/4] bpf: lsm: Remove hook to bpf_task_storage

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Message-ID: <20241113005351.2197340-2-song@kernel.org>
Date: Tue, 12 Nov 2024 16:53:48 -0800
From: Song Liu <song@...nel.org>
To: bpf@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org
Cc: kernel-team@...a.com,
	andrii@...nel.org,
	eddyz87@...il.com,
	ast@...nel.org,
	daniel@...earbox.net,
	martin.lau@...ux.dev,
	viro@...iv.linux.org.uk,
	brauner@...nel.org,
	jack@...e.cz,
	kpsingh@...nel.org,
	mattbobrowski@...gle.com,
	amir73il@...il.com,
	repnop@...gle.com,
	jlayton@...nel.org,
	josef@...icpanda.com,
	mic@...ikod.net,
	gnoack@...gle.com,
	Song Liu <song@...nel.org>
Subject: [PATCH v3 bpf-next 1/4] bpf: lsm: Remove hook to bpf_task_storage_free

free_task() already calls bpf_task_storage_free(). It is not necessary
to call bpf_task_storage_free() again on security_task_free(). Remove
the hook to bpf_task_storage_free.

Signed-off-by: Song Liu <song@...nel.org>
---
 security/bpf/hooks.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/security/bpf/hooks.c b/security/bpf/hooks.c
index 3663aec7bcbd..db759025abe1 100644
--- a/security/bpf/hooks.c
+++ b/security/bpf/hooks.c
@@ -13,7 +13,6 @@ static struct security_hook_list bpf_lsm_hooks[] __ro_after_init = {
 	#include <linux/lsm_hook_defs.h>
 	#undef LSM_HOOK
 	LSM_HOOK_INIT(inode_free_security, bpf_inode_storage_free),
-	LSM_HOOK_INIT(task_free, bpf_task_storage_free),
 };
 
 static const struct lsm_id bpf_lsmid = {
-- 
2.43.5