[PATCH bpf-next] bpf: lsm: Remove hook to bpf_task_storage_free

Song Liu song at kernel.org
Thu Dec 12 07:59:56 UTC 2024


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

Signed-off-by: Song Liu <song at kernel.org>

---

This was initially sent in a patchset [1]. However, this patch is not
closely related to other patches in the set, so sending it alone.

[1] https://lore.kernel.org/bpf/20241112083700.356299-1-song@kernel.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




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