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-rw-r--r--tools/lib/bpf/linker.c8
-rw-r--r--tools/testing/selftests/bpf/Makefile3
-rwxr-xr-xtools/testing/selftests/bpf/test_lwt_ip_encap.sh13
3 files changed, 17 insertions, 7 deletions
diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c
index 10911a8cad0f..2df880cefdae 100644
--- a/tools/lib/bpf/linker.c
+++ b/tools/lib/bpf/linker.c
@@ -1649,11 +1649,17 @@ static bool btf_is_non_static(const struct btf_type *t)
static int find_glob_sym_btf(struct src_obj *obj, Elf64_Sym *sym, const char *sym_name,
int *out_btf_sec_id, int *out_btf_id)
{
- int i, j, n = btf__get_nr_types(obj->btf), m, btf_id = 0;
+ int i, j, n, m, btf_id = 0;
const struct btf_type *t;
const struct btf_var_secinfo *vi;
const char *name;
+ if (!obj->btf) {
+ pr_warn("failed to find BTF info for object '%s'\n", obj->filename);
+ return -EINVAL;
+ }
+
+ n = btf__get_nr_types(obj->btf);
for (i = 1; i <= n; i++) {
t = btf__type_by_id(obj->btf, i);
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 866531c08e4f..799b88152e9e 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -375,7 +375,8 @@ $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \
$(TRUNNER_BPF_PROGS_DIR)/%.c \
$(TRUNNER_BPF_PROGS_DIR)/*.h \
$$(INCLUDE_DIR)/vmlinux.h \
- $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT)
+ $(wildcard $(BPFDIR)/bpf_*.h) \
+ | $(TRUNNER_OUTPUT) $$(BPFOBJ)
$$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \
$(TRUNNER_BPF_CFLAGS))
diff --git a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
index 59ea56945e6c..b497bb85b667 100755
--- a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
+++ b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
@@ -112,6 +112,14 @@ setup()
ip netns add "${NS2}"
ip netns add "${NS3}"
+ # rp_filter gets confused by what these tests are doing, so disable it
+ ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0
+ ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0
+ ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0
+ ip netns exec ${NS1} sysctl -wq net.ipv4.conf.default.rp_filter=0
+ ip netns exec ${NS2} sysctl -wq net.ipv4.conf.default.rp_filter=0
+ ip netns exec ${NS3} sysctl -wq net.ipv4.conf.default.rp_filter=0
+
ip link add veth1 type veth peer name veth2
ip link add veth3 type veth peer name veth4
ip link add veth5 type veth peer name veth6
@@ -236,11 +244,6 @@ setup()
ip -netns ${NS1} -6 route add ${IPv6_GRE}/128 dev veth5 via ${IPv6_6} ${VRF}
ip -netns ${NS2} -6 route add ${IPv6_GRE}/128 dev veth7 via ${IPv6_8} ${VRF}
- # rp_filter gets confused by what these tests are doing, so disable it
- ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0
- ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0
- ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0
-
TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX)
sleep 1 # reduce flakiness