Lines Matching refs:max_optlen
1742 static int sockopt_alloc_buf(struct bpf_sockopt_kern *ctx, int max_optlen, in sockopt_alloc_buf() argument
1745 if (unlikely(max_optlen < 0)) in sockopt_alloc_buf()
1748 if (unlikely(max_optlen > PAGE_SIZE)) { in sockopt_alloc_buf()
1752 max_optlen = PAGE_SIZE; in sockopt_alloc_buf()
1755 if (max_optlen <= sizeof(buf->data)) { in sockopt_alloc_buf()
1760 ctx->optval_end = ctx->optval + max_optlen; in sockopt_alloc_buf()
1761 return max_optlen; in sockopt_alloc_buf()
1764 ctx->optval = kzalloc(max_optlen, GFP_USER); in sockopt_alloc_buf()
1768 ctx->optval_end = ctx->optval + max_optlen; in sockopt_alloc_buf()
1770 return max_optlen; in sockopt_alloc_buf()
1798 int ret, max_optlen; in __cgroup_bpf_run_filter_setsockopt() local
1804 max_optlen = max_t(int, 16, *optlen); in __cgroup_bpf_run_filter_setsockopt()
1805 max_optlen = sockopt_alloc_buf(&ctx, max_optlen, &buf); in __cgroup_bpf_run_filter_setsockopt()
1806 if (max_optlen < 0) in __cgroup_bpf_run_filter_setsockopt()
1807 return max_optlen; in __cgroup_bpf_run_filter_setsockopt()
1811 if (copy_from_user(ctx.optval, optval, min(*optlen, max_optlen)) != 0) { in __cgroup_bpf_run_filter_setsockopt()
1827 } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { in __cgroup_bpf_run_filter_setsockopt()
1873 int __user *optlen, int max_optlen, in __cgroup_bpf_run_filter_getsockopt() argument
1886 ctx.optlen = max_optlen; in __cgroup_bpf_run_filter_getsockopt()
1887 max_optlen = sockopt_alloc_buf(&ctx, max_optlen, &buf); in __cgroup_bpf_run_filter_getsockopt()
1888 if (max_optlen < 0) in __cgroup_bpf_run_filter_getsockopt()
1889 return max_optlen; in __cgroup_bpf_run_filter_getsockopt()
1910 min(ctx.optlen, max_optlen)) != 0) { in __cgroup_bpf_run_filter_getsockopt()
1924 if (ctx.optlen > max_optlen || ctx.optlen < 0) { in __cgroup_bpf_run_filter_getsockopt()