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Searched refs:ret (Results 1 – 25 of 61) sorted by relevance

123

/samples/uhid/
Duhid-example.c161 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()
[all …]
/samples/cgroup/
Dcgroup_event_listener.c29 int ret; in main() local
38 ret = snprintf(event_control_path, PATH_MAX, "%s/cgroup.event_control", in main()
40 if (ret >= PATH_MAX) in main()
51 ret = snprintf(line, LINE_MAX, "%d %d %s", efd, cfd, argv[2]); in main()
52 if (ret >= LINE_MAX) in main()
55 ret = write(event_control, line, strlen(line) + 1); in main()
56 if (ret == -1) in main()
62 ret = read(efd, &result, sizeof(result)); in main()
63 if (ret == -1) { in main()
68 assert(ret == sizeof(result)); in main()
[all …]
Dmemcg_event_listener.c104 int ret = 0; in read_memcg_events() local
162 ret = -EIO; in read_memcg_events()
169 ret = get_memcg_counter(line, map[i].name, map[i].new); in read_memcg_events()
170 if (ret) { in read_memcg_events()
201 return ret; in read_memcg_events()
207 int ret; in process_memcg_events() local
222 ret = read_memcg_events(events, /* show_diff = */true); in process_memcg_events()
223 if (ret) in process_memcg_events()
230 int ret; in monitor_events() local
238 ret = poll(fds, ARRAY_SIZE(fds), -1); in monitor_events()
[all …]
/samples/binderfs/
Dbinderfs_example.c20 int fd, ret, saved_errno; in main() local
23 ret = unshare(CLONE_NEWNS); in main()
24 if (ret < 0) { in main()
30 ret = mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0); in main()
31 if (ret < 0) { in main()
37 ret = mkdir("/dev/binderfs", 0755); in main()
38 if (ret < 0 && errno != EEXIST) { in main()
44 ret = mount(NULL, "/dev/binderfs", "binder", 0, 0); in main()
45 if (ret < 0) { in main()
60 ret = ioctl(fd, BINDER_CTL_ADD, &device); in main()
[all …]
/samples/kfifo/
Drecord-example.c73 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()
[all …]
Dinttype-example.c56 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
[all …]
Dbytestream-example.c56 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
[all …]
Ddma-example.c26 unsigned int ret; in example_init() local
89 ret = 0; in example_init()
92 kfifo_dma_in_finish(&fifo, ret); in example_init()
118 ret = 5; in example_init()
121 kfifo_dma_out_finish(&fifo, ret); in example_init()
123 ret = kfifo_len(&fifo); in example_init()
126 if (ret != 7) { in example_init()
/samples/bpf/
Dtest_map_in_map_user.c39 int ret, id; in check_map_id() local
41 ret = bpf_map_get_info_by_fd(inner_map_fd, &info, &info_len); in check_map_id()
42 assert(!ret); in check_map_id()
44 ret = bpf_map_lookup_elem(map_in_map_fd, &key, &id); in check_map_id()
45 assert(!ret); in check_map_id()
51 int ret; in populate_map() local
53 ret = bpf_map_update_elem(PORT_A, &port_key, &magic_result, BPF_ANY); in populate_map()
54 assert(!ret); in populate_map()
56 ret = bpf_map_update_elem(PORT_H, &port_key, &magic_result, in populate_map()
58 assert(!ret); in populate_map()
[all …]
Dtest_lwt_bpf.c87 int ret, off = 0, flags = IS_PSEUDO; in rewrite() local
90 ret = bpf_skb_load_bytes(skb, IP_PROTO_OFF, &proto, 1); in rewrite()
91 if (ret < 0) { in rewrite()
92 printk("bpf_l4_csum_replace failed: %d", ret); in rewrite()
112 ret = bpf_l4_csum_replace(skb, off, old_ip, new_ip, in rewrite()
114 if (ret < 0) { in rewrite()
120 ret = bpf_l3_csum_replace(skb, IP_CSUM_OFF, old_ip, new_ip, sizeof(new_ip)); in rewrite()
121 if (ret < 0) { in rewrite()
122 printk("bpf_l3_csum_replace failed: %d", ret); in rewrite()
127 ret = bpf_skb_store_bytes(skb, IP_DST_OFF, &new_ip, sizeof(new_ip), 0); in rewrite()
[all …]
Dfds_example.c80 int fd, ret; in bpf_do_map() local
88 ret = bpf_obj_pin(fd, file); in bpf_do_map()
89 printf("bpf: pin ret:(%d,%s)\n", ret, strerror(errno)); in bpf_do_map()
90 assert(ret == 0); in bpf_do_map()
98 ret = bpf_map_update_elem(fd, &key, &value, 0); in bpf_do_map()
100 ret, strerror(errno)); in bpf_do_map()
101 assert(ret == 0); in bpf_do_map()
103 ret = bpf_map_lookup_elem(fd, &key, &value); in bpf_do_map()
105 ret, strerror(errno)); in bpf_do_map()
106 assert(ret == 0); in bpf_do_map()
[all …]
Dtest_map_in_map.bpf.c110 int ret, inline_ret, ret_key = 0; in BPF_KSYSCALL() local
118 ret = bpf_probe_read_user(dst6, sizeof(dst6), &in6->sin6_addr); in BPF_KSYSCALL()
119 if (ret) { in BPF_KSYSCALL()
120 inline_ret = ret; in BPF_KSYSCALL()
129 ret = bpf_probe_read_user(&port, sizeof(port), &in6->sin6_port); in BPF_KSYSCALL()
130 if (ret) { in BPF_KSYSCALL()
131 inline_ret = ret; in BPF_KSYSCALL()
137 ret = -ENOENT; in BPF_KSYSCALL()
145 ret = __LINE__; in BPF_KSYSCALL()
146 inline_ret = ret; in BPF_KSYSCALL()
[all …]
Dtest_cgrp2_array_pin.c32 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()
/samples/watchdog/
Dwatchdog-simple.c10 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()
/samples/acrn/
Dvm-sample.c46 int vcpu_id, ret; in main() local
56 ret = posix_memalign(&guest_memory, 4096, GUEST_MEMORY_SIZE); in main()
57 if (ret < 0) { in main()
64 ret = ioctl(hsm_fd, ACRN_IOCTL_CREATE_VM, &create_vm); in main()
65 printf("Created VM! [%d]\n", ret); in main()
75 ret = ioctl(hsm_fd, ACRN_IOCTL_SET_MEMSEG, &ram_map); in main()
76 printf("Set up VM memory! [%d]\n", ret); in main()
93 ret = ioctl(hsm_fd, ACRN_IOCTL_SET_VCPU_REGS, &regs); in main()
94 printf("Set up VM BSP registers! [%d]\n", ret); in main()
97 ret = ioctl(hsm_fd, ACRN_IOCTL_CREATE_IOREQ_CLIENT, 0); in main()
[all …]
/samples/pfsm/
Dpfsm-wakeup.c33 int i, ret, fd_rtc, fd_pfsm[PMIC_NB] = { 0 }; in main() local
53 ret = ioctl(fd_rtc, RTC_RD_TIME, &rtc_tm); in main()
54 if (ret < 0) { in main()
74 ret = ioctl(fd_rtc, RTC_ALM_SET, &rtc_tm); in main()
75 if (ret < 0) { in main()
81 ret = ioctl(fd_rtc, RTC_AIE_ON, 0); in main()
82 if (ret < 0) { in main()
96 ret = ioctl(fd_pfsm[i], PMIC_SET_RETENTION_STATE, &pmic_opt); in main()
97 if (ret < 0) { in main()
104 ret = read(fd_rtc, &data, sizeof(unsigned long)); in main()
[all …]
/samples/rpmsg/
Drpmsg_client_sample.c28 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()
/samples/qmi/
Dqmi_sample_client.c307 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 …]
/samples/vfio-mdev/
Dmdpy.c176 int ret = 0; in mdev_access() local
199 ret = -1; in mdev_access()
203 ret = count; in mdev_access()
209 return ret; in mdev_access()
233 int ret = -ENOMEM; in mdpy_init_dev() local
237 return ret; in mdpy_init_dev()
258 return ret; in mdpy_init_dev()
264 int ret; in mdpy_probe() local
271 ret = vfio_register_emulated_iommu_dev(&mdev_state->vdev); in mdpy_probe()
272 if (ret) in mdpy_probe()
[all …]
Dmdpy-fb.c102 int ret; in mdpy_fb_probe() local
104 ret = pci_enable_device(pdev); in mdpy_fb_probe()
105 if (ret < 0) in mdpy_fb_probe()
106 return ret; in mdpy_fb_probe()
108 ret = pci_request_regions(pdev, "mdpy-fb"); in mdpy_fb_probe()
109 if (ret < 0) in mdpy_fb_probe()
118 ret = -EINVAL; in mdpy_fb_probe()
123 ret = -EINVAL; in mdpy_fb_probe()
128 ret = -EINVAL; in mdpy_fb_probe()
136 ret = -ENOMEM; in mdpy_fb_probe()
[all …]
Dmtty.c712 int ret = 0; in mdev_access() local
764 ret = -1; in mdev_access()
768 ret = count; in mdev_access()
774 return ret; in mdev_access()
841 int ret; in mtty_precopy_ioctl() local
856 ret = -EINVAL; in mtty_precopy_ioctl()
864 ret = -ENODEV; in mtty_precopy_ioctl()
870 ret = -EINVAL; in mtty_precopy_ioctl()
878 ret = copy_to_user((void __user *)arg, &info, minsz) ? -EFAULT : 0; in mtty_precopy_ioctl()
881 return ret; in mtty_precopy_ioctl()
[all …]
/samples/ftrace/
Dftrace-direct-modify.c213 int ret = 0; in simple_thread() local
219 if (ret) in simple_thread()
222 ret = modify_ftrace_direct(&direct, tramps[t]); in simple_thread()
223 if (!ret) in simple_thread()
225 WARN_ON_ONCE(ret); in simple_thread()
235 int ret; in ftrace_direct_init() local
238 ret = register_ftrace_direct(&direct, my_tramp); in ftrace_direct_init()
240 if (!ret) in ftrace_direct_init()
242 return ret; in ftrace_direct_init()
Dftrace-direct-multi-modify.c239 int ret = 0; in simple_thread() local
245 if (ret) in simple_thread()
248 ret = modify_ftrace_direct(&direct, tramps[t]); in simple_thread()
249 if (!ret) in simple_thread()
251 WARN_ON_ONCE(ret); in simple_thread()
261 int ret; in ftrace_direct_multi_init() local
266 ret = register_ftrace_direct(&direct, my_tramp); in ftrace_direct_multi_init()
268 if (!ret) in ftrace_direct_multi_init()
270 return ret; in ftrace_direct_multi_init()
/samples/kobject/
Dkobject-example.c37 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()
/samples/pidfd/
Dpidfd-metadata.c54 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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