Commit b590cb5f authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by Daniel Borkmann

bpf: Switch to offsetofend in BPF_PROG_TEST_RUN

Switch existing pattern of "offsetof(..., member) + FIELD_SIZEOF(...,
member)' to "offsetofend(..., member)" which does exactly what
we need without all the copy-paste.
Suggested-by: default avatarAndrii Nakryiko <andriin@fb.com>
Signed-off-by: default avatarStanislav Fomichev <sdf@google.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarAndrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20191210191933.105321-1-sdf@google.com
parent 09c4708d
...@@ -252,22 +252,19 @@ static int convert___skb_to_skb(struct sk_buff *skb, struct __sk_buff *__skb) ...@@ -252,22 +252,19 @@ static int convert___skb_to_skb(struct sk_buff *skb, struct __sk_buff *__skb)
/* priority is allowed */ /* priority is allowed */
if (!range_is_zero(__skb, offsetof(struct __sk_buff, priority) + if (!range_is_zero(__skb, offsetofend(struct __sk_buff, priority),
FIELD_SIZEOF(struct __sk_buff, priority),
offsetof(struct __sk_buff, cb))) offsetof(struct __sk_buff, cb)))
return -EINVAL; return -EINVAL;
/* cb is allowed */ /* cb is allowed */
if (!range_is_zero(__skb, offsetof(struct __sk_buff, cb) + if (!range_is_zero(__skb, offsetofend(struct __sk_buff, cb),
FIELD_SIZEOF(struct __sk_buff, cb),
offsetof(struct __sk_buff, tstamp))) offsetof(struct __sk_buff, tstamp)))
return -EINVAL; return -EINVAL;
/* tstamp is allowed */ /* tstamp is allowed */
if (!range_is_zero(__skb, offsetof(struct __sk_buff, tstamp) + if (!range_is_zero(__skb, offsetofend(struct __sk_buff, tstamp),
FIELD_SIZEOF(struct __sk_buff, tstamp),
sizeof(struct __sk_buff))) sizeof(struct __sk_buff)))
return -EINVAL; return -EINVAL;
...@@ -437,8 +434,7 @@ static int verify_user_bpf_flow_keys(struct bpf_flow_keys *ctx) ...@@ -437,8 +434,7 @@ static int verify_user_bpf_flow_keys(struct bpf_flow_keys *ctx)
/* flags is allowed */ /* flags is allowed */
if (!range_is_zero(ctx, offsetof(struct bpf_flow_keys, flags) + if (!range_is_zero(ctx, offsetofend(struct bpf_flow_keys, flags),
FIELD_SIZEOF(struct bpf_flow_keys, flags),
sizeof(struct bpf_flow_keys))) sizeof(struct bpf_flow_keys)))
return -EINVAL; return -EINVAL;
......
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