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| author | Herbert Xu <herbert@lithui.me.apana.org.au> | 2017-12-22 20:00:50 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@lithui.me.apana.org.au> | 2017-12-22 20:00:50 +1100 |
| commit | 45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8 (patch) | |
| tree | a5e7c8428030ec0462b58133d6548ddff3802018 /samples/bpf/bpf_load.c | |
| parent | fc8517bf627c9b834f80274a1bc9ecd39b27231b (diff) | |
| parent | 2973633e9f09311e849f975d969737af81a521ff (diff) | |
| download | talos-op-linux-45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8.tar.gz talos-op-linux-45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pick up inside-secure fixes.
Diffstat (limited to 'samples/bpf/bpf_load.c')
| -rw-r--r-- | samples/bpf/bpf_load.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index 522ca9252d6c..242631aa4ea2 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -193,8 +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; } |
