From: Stanislav Fomichev Date: Mon, 15 Jul 2019 16:39:52 +0000 (-0700) Subject: bpf: rename bpf_ctx_wide_store_ok to bpf_ctx_wide_access_ok X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b43995469e5804636a55372e9bbb17ccb22441c5;p=openwrt%2Fstaging%2Fblogic.git bpf: rename bpf_ctx_wide_store_ok to bpf_ctx_wide_access_ok Rename bpf_ctx_wide_store_ok to bpf_ctx_wide_access_ok to indicate that it can be used for both loads and stores. Cc: Yonghong Song Signed-off-by: Stanislav Fomichev Signed-off-by: Daniel Borkmann --- diff --git a/include/linux/filter.h b/include/linux/filter.h index 6d944369ca87..ff65d22cf336 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -747,7 +747,7 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default) return size <= size_default && (size & (size - 1)) == 0; } -#define bpf_ctx_wide_store_ok(off, size, type, field) \ +#define bpf_ctx_wide_access_ok(off, size, type, field) \ (size == sizeof(__u64) && \ off >= offsetof(type, field) && \ off + sizeof(__u64) <= offsetofend(type, field) && \ diff --git a/net/core/filter.c b/net/core/filter.c index 47f6386fb17a..c5983ddb1a9f 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -6890,14 +6890,14 @@ static bool sock_addr_is_valid_access(int off, int size, if (!bpf_ctx_narrow_access_ok(off, size, size_default)) return false; } else { - if (bpf_ctx_wide_store_ok(off, size, - struct bpf_sock_addr, - user_ip6)) + if (bpf_ctx_wide_access_ok(off, size, + struct bpf_sock_addr, + user_ip6)) return true; - if (bpf_ctx_wide_store_ok(off, size, - struct bpf_sock_addr, - msg_src_ip6)) + if (bpf_ctx_wide_access_ok(off, size, + struct bpf_sock_addr, + msg_src_ip6)) return true; if (size != size_default)