summaryrefslogtreecommitdiff
path: root/drivers/media/rc/bpf-lirc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/rc/bpf-lirc.c')
-rw-r--r--drivers/media/rc/bpf-lirc.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c
index afae0afe3f81..2f7564f26445 100644
--- a/drivers/media/rc/bpf-lirc.c
+++ b/drivers/media/rc/bpf-lirc.c
@@ -110,7 +110,7 @@ lirc_mode2_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
case BPF_FUNC_get_prandom_u32:
return &bpf_get_prandom_u32_proto;
case BPF_FUNC_trace_printk:
- if (perfmon_capable())
+ if (bpf_token_capable(prog->aux->token, CAP_PERFMON))
return bpf_get_trace_printk_proto();
fallthrough;
default:
@@ -160,7 +160,7 @@ static int lirc_bpf_attach(struct rc_dev *rcdev, struct bpf_prog *prog)
goto unlock;
}
- ret = bpf_prog_array_copy(old_array, NULL, prog, &new_array);
+ ret = bpf_prog_array_copy(old_array, NULL, prog, 0, &new_array);
if (ret < 0)
goto unlock;
@@ -193,7 +193,7 @@ static int lirc_bpf_detach(struct rc_dev *rcdev, struct bpf_prog *prog)
}
old_array = lirc_rcu_dereference(raw->progs);
- ret = bpf_prog_array_copy(old_array, prog, NULL, &new_array);
+ ret = bpf_prog_array_copy(old_array, prog, NULL, 0, &new_array);
/*
* Do not use bpf_prog_array_delete_safe() as we would end up
* with a dummy entry in the array, and the we would free the
@@ -216,8 +216,12 @@ void lirc_bpf_run(struct rc_dev *rcdev, u32 sample)
raw->bpf_sample = sample;
- if (raw->progs)
- BPF_PROG_RUN_ARRAY(raw->progs, &raw->bpf_sample, BPF_PROG_RUN);
+ if (raw->progs) {
+ rcu_read_lock();
+ bpf_prog_run_array(rcu_dereference(raw->progs),
+ &raw->bpf_sample, bpf_prog_run);
+ rcu_read_unlock();
+ }
}
/*
@@ -249,7 +253,7 @@ int lirc_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
if (attr->attach_flags)
return -EINVAL;
- rcdev = rc_dev_get_from_fd(attr->target_fd);
+ rcdev = rc_dev_get_from_fd(attr->target_fd, true);
if (IS_ERR(rcdev))
return PTR_ERR(rcdev);
@@ -274,7 +278,7 @@ int lirc_prog_detach(const union bpf_attr *attr)
if (IS_ERR(prog))
return PTR_ERR(prog);
- rcdev = rc_dev_get_from_fd(attr->target_fd);
+ rcdev = rc_dev_get_from_fd(attr->target_fd, true);
if (IS_ERR(rcdev)) {
bpf_prog_put(prog);
return PTR_ERR(rcdev);
@@ -299,7 +303,7 @@ int lirc_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr)
if (attr->query.query_flags)
return -EINVAL;
- rcdev = rc_dev_get_from_fd(attr->query.target_fd);
+ rcdev = rc_dev_get_from_fd(attr->query.target_fd, false);
if (IS_ERR(rcdev))
return PTR_ERR(rcdev);