diff options
Diffstat (limited to 'samples/bpf')
24 files changed, 24 insertions, 100 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index 1734ade04f7f..4574b1939e49 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -678,7 +678,7 @@ void read_trace_pipe(void) static char buf[4096]; ssize_t sz; - sz = read(trace_fd, buf, sizeof(buf)); + sz = read(trace_fd, buf, sizeof(buf) - 1); if (sz > 0) { buf[sz] = 0; puts(buf); diff --git a/samples/bpf/lathist_user.c b/samples/bpf/lathist_user.c index c8e88cc84e61..2ff2839a52d5 100644 --- a/samples/bpf/lathist_user.c +++ b/samples/bpf/lathist_user.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2013-2015 PLUMgrid, http://plumgrid.com * Copyright (c) 2015 BMW Car IT GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c index 38b7b1a96cc2..fe5564bff39b 100644 --- a/samples/bpf/map_perf_test_user.c +++ b/samples/bpf/map_perf_test_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE #include <sched.h> diff --git a/samples/bpf/offwaketime_user.c b/samples/bpf/offwaketime_user.c index bb315ce1b866..fc8767d001f6 100644 --- a/samples/bpf/offwaketime_user.c +++ b/samples/bpf/offwaketime_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/sampleip_user.c b/samples/bpf/sampleip_user.c index 23b90a45c802..6b5dc26d9701 100644 --- a/samples/bpf/sampleip_user.c +++ b/samples/bpf/sampleip_user.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * sampleip: sample instruction pointer and frequency count in a BPF map. * * Copyright 2016 Netflix, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <stdlib.h> diff --git a/samples/bpf/syscall_tp_kern.c b/samples/bpf/syscall_tp_kern.c index 9149c524d279..1d78819ffef1 100644 --- a/samples/bpf/syscall_tp_kern.c +++ b/samples/bpf/syscall_tp_kern.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <uapi/linux/bpf.h> #include "bpf_helpers.h" diff --git a/samples/bpf/syscall_tp_user.c b/samples/bpf/syscall_tp_user.c index 1a1d0059a277..57014bab7cbe 100644 --- a/samples/bpf/syscall_tp_user.c +++ b/samples/bpf/syscall_tp_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/task_fd_query_user.c b/samples/bpf/task_fd_query_user.c index aff2b4ae914e..e39938058223 100644 --- a/samples/bpf/task_fd_query_user.c +++ b/samples/bpf/task_fd_query_user.c @@ -216,7 +216,7 @@ static int test_debug_fs_uprobe(char *binary_path, long offset, bool is_return) { const char *event_type = "uprobe"; struct perf_event_attr attr = {}; - char buf[256], event_alias[256]; + char buf[256], event_alias[sizeof("test_1234567890")]; __u64 probe_offset, probe_addr; __u32 len, prog_id, fd_type; int err, res, kfd, efd; diff --git a/samples/bpf/tc_l2_redirect_user.c b/samples/bpf/tc_l2_redirect_user.c index 7ec45c3e8f56..d11a6e1e9912 100644 --- a/samples/bpf/tc_l2_redirect_user.c +++ b/samples/bpf/tc_l2_redirect_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/unistd.h> #include <linux/bpf.h> diff --git a/samples/bpf/test_cgrp2_array_pin.c b/samples/bpf/test_cgrp2_array_pin.c index 242184292f59..6d564aa75447 100644 --- a/samples/bpf/test_cgrp2_array_pin.c +++ b/samples/bpf/test_cgrp2_array_pin.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/unistd.h> #include <linux/bpf.h> diff --git a/samples/bpf/test_current_task_under_cgroup_user.c b/samples/bpf/test_current_task_under_cgroup_user.c index f082d6ac59f0..06e9f8ce42e2 100644 --- a/samples/bpf/test_current_task_under_cgroup_user.c +++ b/samples/bpf/test_current_task_under_cgroup_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Sargun Dhillon <sargun@sargun.me> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c index eec3e2509ce8..b313dba4111b 100644 --- a/samples/bpf/test_lru_dist.c +++ b/samples/bpf/test_lru_dist.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE #include <linux/types.h> diff --git a/samples/bpf/test_map_in_map_user.c b/samples/bpf/test_map_in_map_user.c index e308858f7bcf..eb29bcb76f3f 100644 --- a/samples/bpf/test_map_in_map_user.c +++ b/samples/bpf/test_map_in_map_user.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2017 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <sys/resource.h> #include <sys/socket.h> diff --git a/samples/bpf/test_overhead_user.c b/samples/bpf/test_overhead_user.c index 9d6dcaa9db92..94f74112a20e 100644 --- a/samples/bpf/test_overhead_user.c +++ b/samples/bpf/test_overhead_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #define _GNU_SOURCE #include <sched.h> diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c index d4178f60e075..16a16eadd509 100644 --- a/samples/bpf/trace_event_user.c +++ b/samples/bpf/trace_event_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <unistd.h> diff --git a/samples/bpf/trace_output_user.c b/samples/bpf/trace_output_user.c index 4837d73edefe..2dd1d39b152a 100644 --- a/samples/bpf/trace_output_user.c +++ b/samples/bpf/trace_output_user.c @@ -1,7 +1,4 @@ -/* This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0-only #include <stdio.h> #include <unistd.h> #include <stdlib.h> diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c index 56466d010139..cf8fedc773f2 100644 --- a/samples/bpf/tracex3_user.c +++ b/samples/bpf/tracex3_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2013-2015 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <stdlib.h> diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c index 14625c898e43..ec52203fce39 100644 --- a/samples/bpf/tracex4_user.c +++ b/samples/bpf/tracex4_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2015 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <stdio.h> #include <stdlib.h> diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c index ae34caa2b22e..a8e5fa02e8a8 100644 --- a/samples/bpf/xdp1_user.c +++ b/samples/bpf/xdp1_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 PLUMgrid - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/bpf/xdp_redirect_map_user.c b/samples/bpf/xdp_redirect_map_user.c index 2bfd624069f3..15bb6f67f9c3 100644 --- a/samples/bpf/xdp_redirect_map_user.c +++ b/samples/bpf/xdp_redirect_map_user.c @@ -1,13 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Covalent IO, Inc. http://covalent.io - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c index fc725eb4674a..ce71be187205 100644 --- a/samples/bpf/xdp_redirect_user.c +++ b/samples/bpf/xdp_redirect_user.c @@ -1,13 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 John Fastabend <john.r.fastabend@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/bpf.h> #include <linux/if_link.h> diff --git a/samples/bpf/xdp_router_ipv4_user.c b/samples/bpf/xdp_router_ipv4_user.c index 097a7ee564dc..1469b66ebad1 100644 --- a/samples/bpf/xdp_router_ipv4_user.c +++ b/samples/bpf/xdp_router_ipv4_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (C) 2017 Cavium, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. */ #include <linux/bpf.h> #include <linux/netlink.h> diff --git a/samples/bpf/xdp_tx_iptunnel_common.h b/samples/bpf/xdp_tx_iptunnel_common.h index dd12cc35110f..be839892caff 100644 --- a/samples/bpf/xdp_tx_iptunnel_common.h +++ b/samples/bpf/xdp_tx_iptunnel_common.h @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #ifndef _SAMPLES_BPF_XDP_TX_IPTNL_COMMON_H #define _SAMPLES_BPF_XDP_TX_IPTNL_COMMON_H diff --git a/samples/bpf/xdp_tx_iptunnel_user.c b/samples/bpf/xdp_tx_iptunnel_user.c index d9a5617fe872..394896430712 100644 --- a/samples/bpf/xdp_tx_iptunnel_user.c +++ b/samples/bpf/xdp_tx_iptunnel_user.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2016 Facebook - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. */ #include <linux/bpf.h> #include <linux/if_link.h> |