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authorJakub Kicinski <jakub.kicinski@netronome.com>2018-01-11 20:29:06 -0800
committerDaniel Borkmann <daniel@iogearbox.net>2018-01-14 23:36:29 +0100
commitbd475643d74e8ed78bfd36d941053b0e45974e8e (patch)
tree30fdfb7335e61f5d34c864f2abce9bf74f0f89ad /kernel/bpf/stackmap.c
parent9328e0d1bc09e96bd7dc85374f5c2a1e0e04e539 (diff)
bpf: add helper for copying attrs to struct bpf_map
All map types reimplement the field-by-field copy of union bpf_attr members into struct bpf_map. Add a helper to perform this operation. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/bpf/stackmap.c')
-rw-r--r--kernel/bpf/stackmap.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 6c63c2222ea8..b0ecf43f5894 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -88,14 +88,10 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
if (cost >= U32_MAX - PAGE_SIZE)
goto free_smap;
- smap->map.map_type = attr->map_type;
- smap->map.key_size = attr->key_size;
+ bpf_map_init_from_attr(&smap->map, attr);
smap->map.value_size = value_size;
- smap->map.max_entries = attr->max_entries;
- smap->map.map_flags = attr->map_flags;
smap->n_buckets = n_buckets;
smap->map.pages = round_up(cost, PAGE_SIZE) >> PAGE_SHIFT;
- smap->map.numa_node = bpf_map_attr_numa_node(attr);
err = bpf_map_precharge_memlock(smap->map.pages);
if (err)