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authorJakub Kicinski <kuba@kernel.org>2021-05-27 09:22:11 -0700
committerJakub Kicinski <kuba@kernel.org>2021-05-27 09:55:10 -0700
commit5ada57a9a6b0be0e6dfcbd4afa519b0347fd5649 (patch)
treef82f466df9272bb0c385320b25adc51c45309f84 /tools/lib/bpf
parent59c56342459a483d5e563ed8b5fdb77ab7622a73 (diff)
parentd7c5303fbc8ac874ae3e597a5a0d3707dc0230b4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
cdc-wdm: s/kill_urbs/poison_urbs/ to fix build Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/lib/bpf')
-rw-r--r--tools/lib/bpf/libbpf.c3
-rw-r--r--tools/lib/bpf/libbpf_internal.h5
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index dc4d5fe6d9d2..69cd1a835ebd 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3252,6 +3252,9 @@ static int add_dummy_ksym_var(struct btf *btf)
const struct btf_var_secinfo *vs;
const struct btf_type *sec;
+ if (!btf)
+ return 0;
+
sec_btf_id = btf__find_by_name_kind(btf, KSYMS_SEC,
BTF_KIND_DATASEC);
if (sec_btf_id < 0)
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h
index 55d9b4dca64f..a2cc297edb99 100644
--- a/tools/lib/bpf/libbpf_internal.h
+++ b/tools/lib/bpf/libbpf_internal.h
@@ -41,6 +41,11 @@
#define ELF_C_READ_MMAP ELF_C_READ
#endif
+/* Older libelf all end up in this expression, for both 32 and 64 bit */
+#ifndef GELF_ST_VISIBILITY
+#define GELF_ST_VISIBILITY(o) ((o) & 0x03)
+#endif
+
#define BTF_INFO_ENC(kind, kind_flag, vlen) \
((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
#define BTF_TYPE_ENC(name, info, size_or_type) (name), (info), (size_or_type)