| /samples/uhid/ |
| D | uhid-example.c | 161 ssize_t ret; in uhid_write() local
163 ret = write(fd, ev, sizeof(*ev)); in uhid_write()
164 if (ret < 0) { in uhid_write()
167 } else if (ret != sizeof(*ev)) { in uhid_write()
169 ret, sizeof(ev)); in uhid_write()
228 ssize_t ret; in event() local
231 ret = read(fd, &ev, sizeof(ev)); in event()
232 if (ret == 0) { in event()
235 } else if (ret < 0) { in event()
238 } else if (ret != sizeof(ev)) { in event()
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| /samples/bpf/ |
| D | test_map_in_map_user.c | 36 int ret, id; in check_map_id() local
38 ret = bpf_obj_get_info_by_fd(inner_map_fd, &info, &info_len); in check_map_id()
39 assert(!ret); in check_map_id()
41 ret = bpf_map_lookup_elem(map_in_map_fd, &key, &id); in check_map_id()
42 assert(!ret); in check_map_id()
48 int ret; in populate_map() local
50 ret = bpf_map_update_elem(PORT_A, &port_key, &magic_result, BPF_ANY); in populate_map()
51 assert(!ret); in populate_map()
53 ret = bpf_map_update_elem(PORT_H, &port_key, &magic_result, in populate_map()
55 assert(!ret); in populate_map()
[all …]
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| D | test_lwt_bpf.c | 95 int ret, off = 0, flags = IS_PSEUDO; in rewrite() local
98 ret = bpf_skb_load_bytes(skb, IP_PROTO_OFF, &proto, 1); in rewrite()
99 if (ret < 0) { in rewrite()
100 printk("bpf_l4_csum_replace failed: %d\n", ret); in rewrite()
120 ret = bpf_l4_csum_replace(skb, off, old_ip, new_ip, in rewrite()
122 if (ret < 0) { in rewrite()
128 ret = bpf_l3_csum_replace(skb, IP_CSUM_OFF, old_ip, new_ip, sizeof(new_ip)); in rewrite()
129 if (ret < 0) { in rewrite()
130 printk("bpf_l3_csum_replace failed: %d\n", ret); in rewrite()
135 ret = bpf_skb_store_bytes(skb, IP_DST_OFF, &new_ip, sizeof(new_ip), 0); in rewrite()
[all …]
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| D | fds_example.c | 79 int fd, ret; in bpf_do_map() local
86 ret = bpf_obj_pin(fd, file); in bpf_do_map()
87 printf("bpf: pin ret:(%d,%s)\n", ret, strerror(errno)); in bpf_do_map()
88 assert(ret == 0); in bpf_do_map()
96 ret = bpf_map_update_elem(fd, &key, &value, 0); in bpf_do_map()
98 ret, strerror(errno)); in bpf_do_map()
99 assert(ret == 0); in bpf_do_map()
101 ret = bpf_map_lookup_elem(fd, &key, &value); in bpf_do_map()
103 ret, strerror(errno)); in bpf_do_map()
104 assert(ret == 0); in bpf_do_map()
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| D | test_map_in_map_kern.c | 108 int addrlen, ret, inline_ret, ret_key = 0; in trace_sys_connect() local
119 ret = bpf_probe_read(dst6, sizeof(dst6), &in6->sin6_addr); in trace_sys_connect()
120 if (ret) { in trace_sys_connect()
121 inline_ret = ret; in trace_sys_connect()
130 ret = bpf_probe_read(&port, sizeof(port), &in6->sin6_port); in trace_sys_connect()
131 if (ret) { in trace_sys_connect()
132 inline_ret = ret; in trace_sys_connect()
138 ret = -ENOENT; in trace_sys_connect()
146 ret = __LINE__; in trace_sys_connect()
147 inline_ret = ret; in trace_sys_connect()
[all …]
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| D | xdpsock_user.c | 294 int ret; in xsk_configure_umem() local
300 ret = xsk_umem__create(&umem->umem, buffer, size, &umem->fq, &umem->cq, in xsk_configure_umem()
303 if (ret) in xsk_configure_umem()
304 exit_with_error(-ret); in xsk_configure_umem()
314 int ret; in xsk_configure_socket() local
328 ret = xsk_socket__create(&xsk->xsk, opt_if, opt_queue, umem->umem, in xsk_configure_socket()
330 if (ret) in xsk_configure_socket()
331 exit_with_error(-ret); in xsk_configure_socket()
333 ret = bpf_get_link_xdp_id(opt_ifindex, &prog_id, opt_xdp_flags); in xsk_configure_socket()
334 if (ret) in xsk_configure_socket()
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| D | trace_output_user.c | 63 int ret; in main() local
74 ret = libbpf_get_error(pb); in main()
75 if (ret) { in main()
76 printf("failed to setup perf_buffer: %d\n", ret); in main()
84 while ((ret = perf_buffer__poll(pb, 1000)) >= 0 && cnt < MAX_CNT) { in main()
87 return ret; in main()
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| D | test_cgrp2_array_pin.c | 32 int ret = -1; in main() local
85 ret = bpf_map_update_elem(array_fd, &array_key, &cg2_fd, 0); in main()
86 if (ret) { in main()
92 ret = bpf_obj_pin(array_fd, pinned_file); in main()
93 if (ret) { in main()
105 return ret; in main()
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| D | tc_l2_redirect_user.c | 29 int ret = -1; in main() local
60 ret = bpf_map_update_elem(array_fd, &array_key, &ifindex, 0); in main()
61 if (ret) { in main()
69 return ret; in main()
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| D | cpustat_user.c | 108 int rcpu, i, ret; in cpu_stat_inject_cpu_idle_event() local
112 ret = sysconf(_SC_NPROCESSORS_CONF); in cpu_stat_inject_cpu_idle_event()
113 if (ret < 0) in cpu_stat_inject_cpu_idle_event()
123 for (i = 0; i < ret; i++) { in cpu_stat_inject_cpu_idle_event()
192 int ret; in main() local
201 ret = cpu_stat_inject_cpu_idle_event(); in main()
202 if (ret < 0) in main()
205 ret = cpu_stat_inject_cpu_frequency_event(); in main()
206 if (ret < 0) in main()
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| D | xdp_redirect_user.c | 112 int ret, key = 0; in main() local
184 ret = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); in main()
185 if (ret) { in main()
187 return ret; in main()
199 ret = bpf_obj_get_info_by_fd(dummy_prog_fd, &info, &info_len); in main()
200 if (ret) { in main()
202 return ret; in main()
210 ret = bpf_map_update_elem(tx_port_map_fd, &key, &ifindex_out, 0); in main()
211 if (ret) { in main()
219 return ret; in main()
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| D | task_fd_query_user.c | 48 int fd, ret; in bpf_find_probe_type() local
50 ret = snprintf(buf, sizeof(buf), PMU_TYPE_FILE, event_type); in bpf_find_probe_type()
51 CHECK_PERROR_RET(ret < 0 || ret >= sizeof(buf)); in bpf_find_probe_type()
56 ret = read(fd, buf, sizeof(buf)); in bpf_find_probe_type()
58 CHECK_PERROR_RET(ret < 0 || ret >= sizeof(buf)); in bpf_find_probe_type()
61 ret = (int)strtol(buf, NULL, 10); in bpf_find_probe_type()
63 return ret; in bpf_find_probe_type()
70 int fd, ret; in bpf_get_retprobe_bit() local
72 ret = snprintf(buf, sizeof(buf), PMU_RETPROBE_FILE, event_type); in bpf_get_retprobe_bit()
73 CHECK_PERROR_RET(ret < 0 || ret >= sizeof(buf)); in bpf_get_retprobe_bit()
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| D | tracex7_user.c | 14 int ret; in main() local
30 ret = pclose(f); in main()
32 return ret ? 0 : 1; in main()
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| /samples/kfifo/ |
| D | record-example.c | 73 unsigned int ret; in testfunc() local
96 ret = kfifo_out_peek(&test, buf, sizeof(buf)); in testfunc()
97 if (ret) in testfunc()
98 printk(KERN_INFO "%.*s\n", ret, buf); in testfunc()
103 ret = kfifo_out(&test, buf, sizeof(buf)); in testfunc()
104 buf[ret] = '\0'; in testfunc()
105 printk(KERN_INFO "item = %.*s\n", ret, buf); in testfunc()
123 int ret; in fifo_write() local
129 ret = kfifo_from_user(&test, buf, count, &copied); in fifo_write()
132 if (ret) in fifo_write()
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| D | inttype-example.c | 56 unsigned int ret; in testfunc() local
68 ret = kfifo_out(&test, buf, 2); in testfunc()
69 printk(KERN_INFO "ret: %d\n", ret); in testfunc()
71 ret = kfifo_in(&test, buf, ret); in testfunc()
72 printk(KERN_INFO "ret: %d\n", ret); in testfunc()
109 int ret; in fifo_write() local
115 ret = kfifo_from_user(&test, buf, count, &copied); in fifo_write()
118 if (ret) in fifo_write()
119 return ret; in fifo_write()
127 int ret; in fifo_read() local
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| D | bytestream-example.c | 56 unsigned int ret; in testfunc() local
75 ret = kfifo_out(&test, buf, 2); in testfunc()
76 printk(KERN_INFO "ret: %d\n", ret); in testfunc()
78 ret = kfifo_in(&test, buf, ret); in testfunc()
79 printk(KERN_INFO "ret: %d\n", ret); in testfunc()
116 int ret; in fifo_write() local
122 ret = kfifo_from_user(&test, buf, count, &copied); in fifo_write()
125 if (ret) in fifo_write()
126 return ret; in fifo_write()
134 int ret; in fifo_read() local
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| D | dma-example.c | 24 unsigned int ret; in example_init() local
87 ret = 0; in example_init()
90 kfifo_dma_in_finish(&fifo, ret); in example_init()
116 ret = 5; in example_init()
119 kfifo_dma_out_finish(&fifo, ret); in example_init()
121 ret = kfifo_len(&fifo); in example_init()
124 if (ret != 7) { in example_init()
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| /samples/binderfs/ |
| D | binderfs_example.c | 20 int fd, ret, saved_errno; in main() local
24 ret = unshare(CLONE_NEWNS); in main()
25 if (ret < 0) { in main()
31 ret = mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0); in main()
32 if (ret < 0) { in main()
38 ret = mkdir("/dev/binderfs", 0755); in main()
39 if (ret < 0 && errno != EEXIST) { in main()
45 ret = mount(NULL, "/dev/binderfs", "binder", 0, 0); in main()
46 if (ret < 0) { in main()
61 ret = ioctl(fd, BINDER_CTL_ADD, &device); in main()
[all …]
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| /samples/watchdog/ |
| D | watchdog-simple.c | 10 int ret = 0; in main() local
16 ret = write(fd, "\0", 1); in main()
17 if (ret != 1) { in main()
18 ret = -1; in main()
24 return ret; in main()
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| /samples/qmi/ |
| D | qmi_sample_client.c | 307 int ret; in ping_write() local
311 ret = qmi_txn_init(qmi, &txn, NULL, NULL); in ping_write()
312 if (ret < 0) in ping_write()
313 return ret; in ping_write()
315 ret = qmi_send_request(qmi, NULL, &txn, in ping_write()
319 if (ret < 0) { in ping_write()
321 return ret; in ping_write()
324 ret = qmi_txn_wait(&txn, 5 * HZ); in ping_write()
325 if (ret < 0) in ping_write()
326 count = ret; in ping_write()
[all …]
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| /samples/rpmsg/ |
| D | rpmsg_client_sample.c | 28 int ret; in rpmsg_sample_cb() local
44 ret = rpmsg_send(rpdev->ept, MSG, strlen(MSG)); in rpmsg_sample_cb()
45 if (ret) in rpmsg_sample_cb()
46 dev_err(&rpdev->dev, "rpmsg_send failed: %d\n", ret); in rpmsg_sample_cb()
53 int ret; in rpmsg_sample_probe() local
66 ret = rpmsg_send(rpdev->ept, MSG, strlen(MSG)); in rpmsg_sample_probe()
67 if (ret) { in rpmsg_sample_probe()
68 dev_err(&rpdev->dev, "rpmsg_send failed: %d\n", ret); in rpmsg_sample_probe()
69 return ret; in rpmsg_sample_probe()
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| /samples/vfio-mdev/ |
| D | mdpy-fb.c | 104 int ret; in mdpy_fb_probe() local
106 ret = pci_enable_device(pdev); in mdpy_fb_probe()
107 if (ret < 0) in mdpy_fb_probe()
108 return ret; in mdpy_fb_probe()
110 ret = pci_request_regions(pdev, "mdpy-fb"); in mdpy_fb_probe()
111 if (ret < 0) in mdpy_fb_probe()
120 ret = -EINVAL; in mdpy_fb_probe()
125 ret = -EINVAL; in mdpy_fb_probe()
130 ret = -EINVAL; in mdpy_fb_probe()
138 ret = -ENOMEM; in mdpy_fb_probe()
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| D | mdpy.c | 180 int ret = 0; in mdev_access() local
202 ret = -1; in mdev_access()
206 ret = count; in mdev_access()
212 return ret; in mdev_access()
295 int ret; in mdpy_read() local
303 ret = mdev_access(mdev, (char *)&val, sizeof(val), in mdpy_read()
305 if (ret <= 0) in mdpy_read()
315 ret = mdev_access(mdev, (char *)&val, sizeof(val), in mdpy_read()
317 if (ret <= 0) in mdpy_read()
327 ret = mdev_access(mdev, (char *)&val, sizeof(val), in mdpy_read()
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| /samples/kobject/ |
| D | kobject-example.c | 37 int ret; in foo_store() local
39 ret = kstrtoint(buf, 10, &foo); in foo_store()
40 if (ret < 0) in foo_store()
41 return ret; in foo_store()
69 int var, ret; in b_store() local
71 ret = kstrtoint(buf, 10, &var); in b_store()
72 if (ret < 0) in b_store()
73 return ret; in b_store()
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| /samples/pidfd/ |
| D | pidfd-metadata.c | 54 int procfd, ret; in pidfd_metadata_fd() local
68 ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0); in pidfd_metadata_fd()
69 if (ret < 0) { in pidfd_metadata_fd()
86 int pidfd = -1, ret = EXIT_FAILURE; in main() local
94 err(ret, "CLONE_PIDFD"); in main()
114 ret = EXIT_SUCCESS; in main()
119 exit(ret); in main()
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