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| author | Stefan Agner <stefan.agner@toradex.com> | 2019-04-25 18:17:44 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2019-04-25 18:17:44 +0200 |
| commit | 9d9ea7dde2646ba8e36037e2679f2d98080df36b (patch) | |
| tree | fdcbb9a89f3b97e14242524449bf98faba4d4e34 /include/linux/filter.h | |
| parent | 6b8816d9e21df6b1d543c49428eba01b00e4ea1c (diff) | |
| parent | c0ad257a19f48c56f2ee2e623a78251aa8664279 (diff) | |
Merge tag 'v4.20.17' into toradex_4.20.y
This is the 4.20.17 stable release
Diffstat (limited to 'include/linux/filter.h')
| -rw-r--r-- | include/linux/filter.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index b776626aeb84..958eddbc44d3 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -591,8 +591,8 @@ static inline u8 *bpf_skb_cb(struct sk_buff *skb) return qdisc_skb_cb(skb)->data; } -static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog, - struct sk_buff *skb) +static inline u32 __bpf_prog_run_save_cb(const struct bpf_prog *prog, + struct sk_buff *skb) { u8 *cb_data = bpf_skb_cb(skb); u8 cb_saved[BPF_SKB_CB_LEN]; @@ -611,15 +611,30 @@ static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog, return res; } +static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog, + struct sk_buff *skb) +{ + u32 res; + + preempt_disable(); + res = __bpf_prog_run_save_cb(prog, skb); + preempt_enable(); + return res; +} + static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog, struct sk_buff *skb) { u8 *cb_data = bpf_skb_cb(skb); + u32 res; if (unlikely(prog->cb_access)) memset(cb_data, 0, BPF_SKB_CB_LEN); - return BPF_PROG_RUN(prog, skb); + preempt_disable(); + res = BPF_PROG_RUN(prog, skb); + preempt_enable(); + return res; } static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog, |