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| author | James Morris <james.l.morris@oracle.com> | 2017-12-11 17:01:08 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-12-11 17:01:08 +1100 |
| commit | d21bd6898336a7892914d308d5e0868f0b863571 (patch) | |
| tree | f5f756c25348b5a6c1ce9ddbaa7d1ecd1bef40b0 /samples/bpf/bpf_load.c | |
| parent | 34d8751fd4ffa34e85ee7e85d34168b3f3f62b42 (diff) | |
| parent | 50c4c4e268a2d7a3e58ebb698ac74da0de40ae36 (diff) | |
Sync to v4.15-rc3 for security subsystem developers to work against.
Diffstat (limited to 'samples/bpf/bpf_load.c')
| -rw-r--r-- | samples/bpf/bpf_load.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index 6aa50098dfb8..242631aa4ea2 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> @@ -192,8 +193,18 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size) return -1; } event_fd[prog_cnt - 1] = efd; - ioctl(efd, PERF_EVENT_IOC_ENABLE, 0); - ioctl(efd, PERF_EVENT_IOC_SET_BPF, fd); + err = ioctl(efd, PERF_EVENT_IOC_ENABLE, 0); + if (err < 0) { + printf("ioctl PERF_EVENT_IOC_ENABLE failed err %s\n", + strerror(errno)); + return -1; + } + err = ioctl(efd, PERF_EVENT_IOC_SET_BPF, fd); + if (err < 0) { + printf("ioctl PERF_EVENT_IOC_SET_BPF failed err %s\n", + strerror(errno)); + return -1; + } return 0; } @@ -221,6 +232,7 @@ static int load_maps(struct bpf_map_data *maps, int nr_maps, int inner_map_fd = map_fd[maps[i].def.inner_map_idx]; map_fd[i] = bpf_create_map_in_map_node(maps[i].def.type, + maps[i].name, maps[i].def.key_size, inner_map_fd, maps[i].def.max_entries, @@ -228,6 +240,7 @@ static int load_maps(struct bpf_map_data *maps, int nr_maps, numa_node); } else { map_fd[i] = bpf_create_map_node(maps[i].def.type, + maps[i].name, maps[i].def.key_size, maps[i].def.value_size, maps[i].def.max_entries, |