On Thu, Dec 5, 2024 at 9:35 AM Thomas Weißschuh <linux@xxxxxxxxxxxxxx> wrote: > > The generic function from the sysfs core can replace the custom one. > > Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> > --- > kernel/bpf/btf.c | 15 ++------------- > 1 file changed, 2 insertions(+), 13 deletions(-) > LGTM Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx> > diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c > index e7a59e6462a9331d0acb17a88a4ebf641509c050..69caa86ae6085dce17e95107c4497d2d8cf81544 100644 > --- a/kernel/bpf/btf.c > +++ b/kernel/bpf/btf.c > @@ -7870,17 +7870,6 @@ struct btf_module { > static LIST_HEAD(btf_modules); > static DEFINE_MUTEX(btf_module_mutex); > > -static ssize_t > -btf_module_read(struct file *file, struct kobject *kobj, > - struct bin_attribute *bin_attr, > - char *buf, loff_t off, size_t len) > -{ > - const struct btf *btf = bin_attr->private; > - > - memcpy(buf, btf->data + off, len); > - return len; > -} > - > static void purge_cand_cache(struct btf *btf); > > static int btf_module_notify(struct notifier_block *nb, unsigned long op, > @@ -7941,8 +7930,8 @@ static int btf_module_notify(struct notifier_block *nb, unsigned long op, > attr->attr.name = btf->name; > attr->attr.mode = 0444; > attr->size = btf->data_size; > - attr->private = btf; > - attr->read = btf_module_read; > + attr->private = btf->data; > + attr->read_new = sysfs_bin_attr_simple_read; > > err = sysfs_create_bin_file(btf_kobj, attr); > if (err) { > > -- > 2.47.1 >