diff options
| author | Thomas Weißschuh <linux@weissschuh.net> | 2024-12-28 09:43:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-09 10:44:06 +0100 |
| commit | 42369b9a1ecf777ab2f6075747ecfb825db4552b (patch) | |
| tree | fe0314efe267dfbc0c9eac51097276c5ca0cf42a | |
| parent | 3675a926feefdf3afabea12f806f31ea582065e5 (diff) | |
btf: Switch vmlinux BTF attribute to sysfs_bin_attr_simple_read()
The generic function from the sysfs core can replace the custom one.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20241228-sysfs-const-bin_attr-simple-v2-2-7c6f3f1767a3@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | kernel/bpf/sysfs_btf.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/kernel/bpf/sysfs_btf.c b/kernel/bpf/sysfs_btf.c index fedb54c94cdb..81d6cf90584a 100644 --- a/kernel/bpf/sysfs_btf.c +++ b/kernel/bpf/sysfs_btf.c @@ -12,24 +12,16 @@ extern char __start_BTF[]; extern char __stop_BTF[]; -static ssize_t -btf_vmlinux_read(struct file *file, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t len) -{ - memcpy(buf, __start_BTF + off, len); - return len; -} - static struct bin_attribute bin_attr_btf_vmlinux __ro_after_init = { .attr = { .name = "vmlinux", .mode = 0444, }, - .read = btf_vmlinux_read, + .read_new = sysfs_bin_attr_simple_read, }; struct kobject *btf_kobj; static int __init btf_vmlinux_init(void) { + bin_attr_btf_vmlinux.private = __start_BTF; bin_attr_btf_vmlinux.size = __stop_BTF - __start_BTF; if (bin_attr_btf_vmlinux.size == 0) |