bpf: lsm: Remove hook to bpf_task_storage_free

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 <[email protected]>
Signed-off-by: Martin KaFai Lau <[email protected]>
Acked-by: Matt Bobrowski <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: liu-song-6

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 = {