Commit 34b2021cc616 ("bpf: Add BPF-helper for MTU checking") added an extra blank line in bpf helper description. This will make bpf_helpers_doc.py stop building bpf_helper_defs.h immediately after bpf_check_mtu(), which will affect future added functions.
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| @@ -3850,7 +3850,6 @@ union bpf_attr { · 3849 unmodified lines | |||
| 3850 | * | 3850 | * |
| 3851 | * long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags) | 3851 | * long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags) |
| 3852 | * Description | 3852 | * Description |
| 3853 | |||
| 3854 | * Check ctx packet size against exceeding MTU of net device (based | 3853 | * Check ctx packet size against exceeding MTU of net device (based |
| 3855 | * on *ifindex*). This helper will likely be used in combination | 3854 | * on *ifindex*). This helper will likely be used in combination |
| 3856 | * with helpers that adjust/change the packet size. | 3855 | * with helpers that adjust/change the packet size. |