bpf: dev_map_alloc() shouldn't return NULL
We forgot to set the error code on two error paths which means that we return ERR_PTR(0) which is NULL. The caller, find_and_alloc_map(), is not expecting that and will have a NULL dereference. Fixes: 546ac1ff ("bpf: add devmap, a map for storing net device references") Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NJohn Fastabend <john.fastabend@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Showing
想要评论请 注册 或 登录