diff options
Diffstat (limited to 'drivers/hid/bpf/entrypoints/entrypoints.bpf.c')
| -rw-r--r-- | drivers/hid/bpf/entrypoints/entrypoints.bpf.c | 40 |
1 files changed, 4 insertions, 36 deletions
diff --git a/drivers/hid/bpf/entrypoints/entrypoints.bpf.c b/drivers/hid/bpf/entrypoints/entrypoints.bpf.c index 41dd66d5fc7a..7c1895d9e5c0 100644 --- a/drivers/hid/bpf/entrypoints/entrypoints.bpf.c +++ b/drivers/hid/bpf/entrypoints/entrypoints.bpf.c @@ -7,7 +7,7 @@ #define HID_BPF_MAX_PROGS 1024 -extern bool call_hid_bpf_prog_release(u64 prog, int table_cnt) __ksym; +extern void call_hid_bpf_prog_put_deferred(struct work_struct *work) __ksym; struct { __uint(type, BPF_MAP_TYPE_PROG_ARRAY); @@ -16,13 +16,6 @@ struct { __uint(value_size, sizeof(__u32)); } hid_jmp_table SEC(".maps"); -struct { - __uint(type, BPF_MAP_TYPE_HASH); - __uint(max_entries, HID_BPF_MAX_PROGS * HID_BPF_PROG_TYPE_MAX); - __type(key, void *); - __type(value, __u8); -} progs_map SEC(".maps"); - SEC("fmod_ret/__hid_bpf_tail_call") int BPF_PROG(hid_tail_call, struct hid_bpf_ctx *hctx) { @@ -31,35 +24,10 @@ int BPF_PROG(hid_tail_call, struct hid_bpf_ctx *hctx) return 0; } -static void release_prog(u64 prog) -{ - u8 *value; - - value = bpf_map_lookup_elem(&progs_map, &prog); - if (!value) - return; - - if (call_hid_bpf_prog_release(prog, *value)) - bpf_map_delete_elem(&progs_map, &prog); -} - -SEC("fexit/bpf_prog_release") -int BPF_PROG(hid_prog_release, struct inode *inode, struct file *filp) +SEC("fentry/bpf_prog_put_deferred") +int BPF_PROG(hid_bpf_prog_put_deferred, struct work_struct *work) { - u64 prog = (u64)filp->private_data; - - release_prog(prog); - - return 0; -} - -SEC("fexit/bpf_free_inode") -int BPF_PROG(hid_free_inode, struct inode *inode) -{ - u64 prog = (u64)inode->i_private; - - release_prog(prog); - + call_hid_bpf_prog_put_deferred(work); return 0; } |