bpf: allow networking programs to use bpf_trace_printk() for debugging

[firefly-linux-kernel-4.4.55.git] / net / core / filter.c

diff --git a/net/core/filter.c b/net/core/filter.c
index 20aa51ccbf9dfd21a0fb2269ebcebf5bdd15368d..65ff107d3d29599ecf728c3c1b1492d4d2cc076f 100644 (file)
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1442,6 +1442,8 @@ sk_filter_func_proto(enum bpf_func_id func_id)
                return &bpf_tail_call_proto;
        case BPF_FUNC_ktime_get_ns:
                return &bpf_ktime_get_ns_proto;
+       case BPF_FUNC_trace_printk:
+               return bpf_get_trace_printk_proto();
        default:
                return NULL;
        }