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authorJann Horn <jannh@google.com>2018-04-20 18:16:30 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2018-04-20 22:09:51 +0200
commit6ab690aa439803347743c0d899ac422774fdd5e7 (patch)
tree00b5f22bc75eef2a0fdc135578490f9d70c2acfb
parenttools/bpf: fix test_sock and test_sock_addr.sh failure (diff)
downloadlinux-6ab690aa439803347743c0d899ac422774fdd5e7.tar.xz
linux-6ab690aa439803347743c0d899ac422774fdd5e7.zip
bpf: sockmap remove dead check
Remove dead code that bails on `attr->value_size > KMALLOC_MAX_SIZE` - the previous check already bails on `attr->value_size != 4`. Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
-rw-r--r--kernel/bpf/sockmap.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index 8dd9210d7db7..a3b21385e947 100644
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -1442,9 +1442,6 @@ static struct bpf_map *sock_map_alloc(union bpf_attr *attr)
attr->value_size != 4 || attr->map_flags & ~SOCK_CREATE_FLAG_MASK)
return ERR_PTR(-EINVAL);
- if (attr->value_size > KMALLOC_MAX_SIZE)
- return ERR_PTR(-E2BIG);
-
err = bpf_tcp_ulp_register();
if (err && err != -EEXIST)
return ERR_PTR(err);