From: Roy Marples <roy@marples.name>
Date: Fri, 14 Apr 2023 10:08:24 +0000 (+0100)
Subject: bpf: for SMALL systems skip the bpfN checks
X-Git-Tag: v9.5.1~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cff67effeff2f3a74daa45010226a1d37f8b3f3e;p=thirdparty%2Fdhcpcd.git

bpf: for SMALL systems skip the bpfN checks
---

diff --git a/src/bpf.c b/src/bpf.c
index 15446e5c..339f3a01 100644
--- a/src/bpf.c
+++ b/src/bpf.c
@@ -174,6 +174,7 @@ bpf_open(const struct interface *ifp,
 	/* /dev/bpf is a cloner on modern kernels */
 	bpf->bpf_fd = open("/dev/bpf", BPF_OPEN_FLAGS);
 
+#ifndef SMALL
 	/* Support older kernels where /dev/bpf is not a cloner */
 	if (bpf->bpf_fd == -1) {
 		char device[32];
@@ -184,6 +185,7 @@ bpf_open(const struct interface *ifp,
 			bpf->bpf_fd = open(device, BPF_OPEN_FLAGS);
 		} while (bpf->bpf_fd == -1 && errno == EBUSY);
 	}
+#endif
 
 	if (bpf->bpf_fd == -1)
 		goto eexit;