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23499442c3
linux/tools/lib/bpf
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Stanislav Fomichev 23499442c3 bpf: libbpf: retry map creation without the name 
Since commit 88cda1c9da ("bpf: libbpf: Provide basic API support
to specify BPF obj name"), libbpf unconditionally sets bpf_attr->name
for maps. Pre v4.14 kernels don't know about map names and return an
error about unexpected non-zero data. Retry sys_bpf without a map
name to cover older kernels.

v2 changes:
* check for errno == EINVAL as suggested by Daniel Borkmann

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-11-20 00:49:32 +01:00
..
.gitignore tools lib bpf: Change FEATURE-DUMP to FEATURE-DUMP.libbpf 2015-11-05 12:47:51 -03:00
bpf.c bpf: libbpf: retry map creation without the name 2018-11-20 00:49:32 +01:00
bpf.h selftests/bpf: add test cases for queue and stack maps 2018-10-19 13:24:31 -07:00
btf.c libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
btf.h libbpf: Per-symbol visibility for DSO 2018-10-16 15:16:47 -07:00
Build Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-09-25 20:29:38 -07:00
libbpf_errno.c libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
libbpf.c bpf: libbpf: Fix bpf_program__next() API 2018-11-16 17:46:54 -08:00
libbpf.h libbpf: cleanup after partial failure in bpf_object__pin 2018-11-10 15:56:10 -08:00
Makefile libbpf: Per-symbol visibility for DSO 2018-10-16 15:16:47 -07:00
netlink.c libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
nlattr.c libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
nlattr.h libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
str_error.c libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
str_error.h libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00