diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/bpf_load.c | 2 | ||||
| -rw-r--r-- | samples/bpf/task_fd_query_user.c | 2 | ||||
| -rw-r--r-- | samples/bpf/xdp_redirect_cpu_user.c | 3 | ||||
| -rw-r--r-- | samples/kfifo/bytestream-example.c | 4 | ||||
| -rw-r--r-- | samples/kfifo/dma-example.c | 4 | ||||
| -rw-r--r-- | samples/kfifo/inttype-example.c | 4 | ||||
| -rw-r--r-- | samples/kfifo/record-example.c | 4 | ||||
| -rw-r--r-- | samples/pidfd/pidfd-metadata.c | 8 | ||||
| -rw-r--r-- | samples/trace_events/trace-events-sample.c | 2 | ||||
| -rw-r--r-- | samples/vfio-mdev/mtty.c | 6 |
10 files changed, 16 insertions, 23 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index eae7b635343d..6e87cc831e84 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/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/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c index 586b294d72d3..575deaca429f 100644 --- a/samples/bpf/xdp_redirect_cpu_user.c +++ b/samples/bpf/xdp_redirect_cpu_user.c @@ -1,4 +1,5 @@ -/* GPLv2 Copyright(c) 2017 Jesper Dangaard Brouer, Red Hat, Inc. +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2017 Jesper Dangaard Brouer, Red Hat, Inc. */ static const char *__doc__ = " XDP redirect with a CPU-map type \"BPF_MAP_TYPE_CPUMAP\""; diff --git a/samples/kfifo/bytestream-example.c b/samples/kfifo/bytestream-example.c index 2fca916d9edf..9ca3e4400c98 100644 --- a/samples/kfifo/bytestream-example.c +++ b/samples/kfifo/bytestream-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample kfifo byte stream implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kfifo/dma-example.c b/samples/kfifo/dma-example.c index be0d4a5fdf53..0cf27483cb36 100644 --- a/samples/kfifo/dma-example.c +++ b/samples/kfifo/dma-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample fifo dma implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kfifo/inttype-example.c b/samples/kfifo/inttype-example.c index 8dc3c2e7105a..6cdeb72f83f1 100644 --- a/samples/kfifo/inttype-example.c +++ b/samples/kfifo/inttype-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample kfifo int type implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/kfifo/record-example.c b/samples/kfifo/record-example.c index 2d7529eeb294..79ae8bb04120 100644 --- a/samples/kfifo/record-example.c +++ b/samples/kfifo/record-example.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sample dynamic sized record fifo implementation * * Copyright (C) 2010 Stefani Seibold <stefani@seibold.net> - * - * Released under the GPL version 2 only. - * */ #include <linux/init.h> diff --git a/samples/pidfd/pidfd-metadata.c b/samples/pidfd/pidfd-metadata.c index 14b454448429..c459155daf9a 100644 --- a/samples/pidfd/pidfd-metadata.c +++ b/samples/pidfd/pidfd-metadata.c @@ -83,7 +83,7 @@ static int pidfd_metadata_fd(pid_t pid, int pidfd) int main(int argc, char *argv[]) { - int pidfd = 0, ret = EXIT_FAILURE; + int pidfd = -1, ret = EXIT_FAILURE; char buf[4096] = { 0 }; pid_t pid; int procfd, statusfd; @@ -91,7 +91,11 @@ int main(int argc, char *argv[]) pid = pidfd_clone(CLONE_PIDFD, &pidfd); if (pid < 0) - exit(ret); + err(ret, "CLONE_PIDFD"); + if (pidfd == -1) { + warnx("CLONE_PIDFD is not supported by the kernel"); + goto out; + } procfd = pidfd_metadata_fd(pid, pidfd); close(pidfd); diff --git a/samples/trace_events/trace-events-sample.c b/samples/trace_events/trace-events-sample.c index 1da597aa6141..1a72b7d95cdc 100644 --- a/samples/trace_events/trace-events-sample.c +++ b/samples/trace_events/trace-events-sample.c @@ -34,7 +34,7 @@ static void simple_thread_func(int cnt) /* Silly tracepoints */ trace_foo_bar("hello", cnt, array, random_strings[len], - ¤t->cpus_allowed); + current->cpus_ptr); trace_foo_with_template_simple("HELLO", cnt); diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c index 1c77c370c92f..ba7ef53c5f6a 100644 --- a/samples/vfio-mdev/mtty.c +++ b/samples/vfio-mdev/mtty.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Mediated virtual PCI serial host device driver * @@ -5,13 +6,8 @@ * Author: Neo Jia <cjia@nvidia.com> * Kirti Wankhede <kwankhede@nvidia.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Sample driver that creates mdev device that simulates serial port over PCI * card. - * */ #include <linux/init.h> |