| /kernel/ |
| D | sysctl-test.c | 38 size_t len; in sysctl_test_api_dointvec_null_tbl_data() local
45 len = 1234; in sysctl_test_api_dointvec_null_tbl_data()
47 KUNIT_PROC_READ, buffer, &len, in sysctl_test_api_dointvec_null_tbl_data()
49 KUNIT_EXPECT_EQ(test, 0, len); in sysctl_test_api_dointvec_null_tbl_data()
54 len = 1234; in sysctl_test_api_dointvec_null_tbl_data()
56 KUNIT_PROC_WRITE, buffer, &len, in sysctl_test_api_dointvec_null_tbl_data()
58 KUNIT_EXPECT_EQ(test, 0, len); in sysctl_test_api_dointvec_null_tbl_data()
84 size_t len; in sysctl_test_api_dointvec_table_maxlen_unset() local
91 len = 1234; in sysctl_test_api_dointvec_table_maxlen_unset()
93 KUNIT_PROC_READ, buffer, &len, in sysctl_test_api_dointvec_table_maxlen_unset()
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| D | kallsyms.c | 45 int len, skipped_first = 0; in kallsyms_expand_symbol() local
51 len = *data; in kallsyms_expand_symbol()
56 if ((len & 0x80) != 0) { in kallsyms_expand_symbol()
57 len = (len & 0x7F) | (*data << 7); in kallsyms_expand_symbol()
66 off += len; in kallsyms_expand_symbol()
72 while (len) { in kallsyms_expand_symbol()
75 len--; in kallsyms_expand_symbol()
119 int i, len; in get_symbol_offset() local
134 len = *name; in get_symbol_offset()
140 if ((len & 0x80) != 0) in get_symbol_offset()
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| D | compat.c | 111 unsigned len, struct cpumask *new_mask) in compat_get_user_cpu_mask() argument
115 if (len < cpumask_size()) in compat_get_user_cpu_mask()
117 else if (len > cpumask_size()) in compat_get_user_cpu_mask()
118 len = cpumask_size(); in compat_get_user_cpu_mask()
121 return compat_get_bitmap(k, user_mask_ptr, len * 8); in compat_get_user_cpu_mask()
125 unsigned int, len, in COMPAT_SYSCALL_DEFINE3() argument
134 retval = compat_get_user_cpu_mask(user_mask_ptr, len, new_mask); in COMPAT_SYSCALL_DEFINE3()
144 COMPAT_SYSCALL_DEFINE3(sched_getaffinity, compat_pid_t, pid, unsigned int, len, in COMPAT_SYSCALL_DEFINE3() argument
150 if ((len * BITS_PER_BYTE) < nr_cpu_ids) in COMPAT_SYSCALL_DEFINE3()
152 if (len & (sizeof(compat_ulong_t)-1)) in COMPAT_SYSCALL_DEFINE3()
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| D | sysctl.c | 150 size_t len; in _proc_do_string() local
161 len = strlen(data); in _proc_do_string()
162 if (len > maxlen - 1) in _proc_do_string()
163 len = maxlen - 1; in _proc_do_string()
165 if (*ppos > len) in _proc_do_string()
167 len = *ppos; in _proc_do_string()
170 len = 0; in _proc_do_string()
175 while ((p - buffer) < *lenp && len < maxlen - 1) { in _proc_do_string()
179 data[len++] = c; in _proc_do_string()
181 data[len] = 0; in _proc_do_string()
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| D | kexec_elf.c | 119 static int elf_read_ehdr(const char *buf, size_t len, struct elfhdr *ehdr) in elf_read_ehdr() argument
123 if (len < sizeof(*buf_ehdr)) { in elf_read_ehdr()
178 return elf_is_ehdr_sane(ehdr, len) ? 0 : -ENOEXEC; in elf_read_ehdr()
202 static int elf_read_phdr(const char *buf, size_t len, in elf_read_phdr() argument
242 return elf_is_phdr_sane(phdr, len) ? 0 : -ENOEXEC; in elf_read_phdr()
251 static int elf_read_phdrs(const char *buf, size_t len, in elf_read_phdrs() argument
270 ret = elf_read_phdr(buf, len, elf_info, i); in elf_read_phdrs()
296 static int elf_read_from_buffer(const char *buf, size_t len, in elf_read_from_buffer() argument
302 ret = elf_read_ehdr(buf, len, ehdr); in elf_read_from_buffer()
309 ret = elf_read_phdrs(buf, len, elf_info); in elf_read_from_buffer()
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| D | stacktrace.c | 79 unsigned int len; member
86 if (c->len >= c->size) in stack_trace_consume_entry()
93 c->store[c->len++] = addr; in stack_trace_consume_entry()
94 return c->len < c->size; in stack_trace_consume_entry()
123 return c.len; in stack_trace_save()
152 return c.len; in stack_trace_save_tsk()
176 return c.len; in stack_trace_save_regs()
212 return ret ? ret : c.len; in stack_trace_save_tsk_reliable()
238 return c.len; in stack_trace_save_user()
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| D | audit.c | 833 nlh->nlmsg_len = skb->len; in kauditd_send_multicast_skb()
1226 u32 len; in audit_receive_msg() local
1476 len = 0; in audit_receive_msg()
1478 err = security_secid_to_secctx(audit_sig_sid, &ctx, &len); in audit_receive_msg()
1482 sig_data = kmalloc(struct_size(sig_data, ctx, len), GFP_KERNEL); in audit_receive_msg()
1485 security_release_secctx(ctx, len); in audit_receive_msg()
1491 memcpy(sig_data->ctx, ctx, len); in audit_receive_msg()
1492 security_release_secctx(ctx, len); in audit_receive_msg()
1495 sig_data, struct_size(sig_data, ctx, len)); in audit_receive_msg()
1563 int len; in audit_receive() local
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| /kernel/trace/ |
| D | trace_seq.c | 83 unsigned int save_len = s->seq.len; in trace_seq_printf()
97 s->seq.len = save_len; in trace_seq_printf()
114 unsigned int save_len = s->seq.len; in trace_seq_bitmask()
124 s->seq.len = save_len; in trace_seq_bitmask()
143 unsigned int save_len = s->seq.len; in trace_seq_vprintf()
154 s->seq.len = save_len; in trace_seq_vprintf()
177 unsigned int save_len = s->seq.len; in trace_seq_bprintf()
188 s->seq.len = save_len; in trace_seq_bprintf()
207 unsigned int len = strlen(str); in trace_seq_puts() local
214 if (len > TRACE_SEQ_BUF_LEFT(s)) { in trace_seq_puts()
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| D | trace_events_filter.c | 459 int len; in predicate_parse() local
513 len = parse_pred(next, data, ptr - str, pe, &prog[N].pred); in predicate_parse()
514 if (len < 0) { in predicate_parse()
515 ret = len; in predicate_parse()
518 ptr = next + len; in predicate_parse()
760 int len; in filter_pchar() local
762 len = strlen(str) + 1; /* including tailing '\0' */ in filter_pchar()
763 cmp = pred->regex.match(str, &pred->regex, len); in filter_pchar()
891 static int regex_match_full(char *str, struct regex *r, int len) in regex_match_full() argument
894 if (!len) in regex_match_full()
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| D | trace_events_synth.c | 198 unsigned int len; in synth_field_string_size() local
210 len = end - start; in synth_field_string_size()
211 if (len > 3) in synth_field_string_size()
214 if (len == 0) in synth_field_string_size()
217 strncpy(buf, start, len); in synth_field_string_size()
218 buf[len] = '\0'; in synth_field_string_size()
398 u32 offset, data_offset, len; in print_synth_event() local
403 len = offset >> 16; in print_synth_event()
406 end = (void *)p + len - (sizeof(long) - 1); in print_synth_event()
452 unsigned int len = 0; in trace_string() local
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| D | trace_events_inject.c | 17 trace_inject_entry(struct trace_event_file *file, void *rec, int len) in trace_inject_entry() argument
24 entry = trace_event_buffer_reserve(&fbuffer, file, len); in trace_inject_entry()
26 memcpy(entry, rec, len); in trace_inject_entry()
27 written = len; in trace_inject_entry()
42 int len; in parse_field() local
53 len = i - s; in parse_field()
54 if (!len) in parse_field()
57 field_name = kmemdup_nul(str + s, len, GFP_KERNEL); in parse_field()
124 len = i - s; in parse_field()
125 if (len >= MAX_FILTER_STR_VAL) in parse_field()
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| D | trace_probe.c | 64 int len = *(u32 *)data >> 16; in PRINT_TYPE_FUNC_NAME() local
66 if (!len) in PRINT_TYPE_FUNC_NAME()
168 int i, len = 0, pos = 0; in __trace_probe_log_err() local
176 pos = len; in __trace_probe_log_err()
177 len += strlen(trace_probe_log.argv[i]) + 1; in __trace_probe_log_err()
179 command = kzalloc(len, GFP_KERNEL); in __trace_probe_log_err()
189 pos = len; in __trace_probe_log_err()
196 len = strlen(trace_probe_log.argv[i]); in __trace_probe_log_err()
198 p[len] = ' '; in __trace_probe_log_err()
199 p += len + 1; in __trace_probe_log_err()
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| D | trace_events_user.c | 187 int len = sizeof(USER_EVENTS_SYSTEM) + 1; in user_event_group_system_name() local
199 system_name = kmalloc(len, GFP_KERNEL); in user_event_group_system_name()
204 snprintf(system_name, len, "%s", USER_EVENTS_SYSTEM); in user_event_group_system_name()
512 int len, size = -EINVAL; in user_event_parse_field() local
521 len = str_has_prefix(field, "unsigned "); in user_event_parse_field()
522 if (len) in user_event_parse_field()
525 len = str_has_prefix(field, "struct "); in user_event_parse_field()
526 if (len) { in user_event_parse_field()
531 len = str_has_prefix(field, "__data_loc unsigned "); in user_event_parse_field()
532 if (len) in user_event_parse_field()
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| D | trace_probe_kernel.h | 24 int ret, len = 0; in kern_fetch_store_strlen() local
33 ret = copy_from_kernel_nofault(&c, (u8 *)addr + len, 1); in kern_fetch_store_strlen()
34 len++; in kern_fetch_store_strlen()
35 } while (c && ret == 0 && len < MAX_STRING_SIZE); in kern_fetch_store_strlen()
37 return (ret < 0) ? ret : len; in kern_fetch_store_strlen()
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| /kernel/power/ |
| D | wakelock.c | 42 int len = 0; in pm_show_wakelocks() local
49 len += sysfs_emit_at(buf, len, "%s ", wl->name); in pm_show_wakelocks()
52 len += sysfs_emit_at(buf, len, "\n"); in pm_show_wakelocks()
55 return len; in pm_show_wakelocks()
147 static struct wakelock *wakelock_lookup_add(const char *name, size_t len, in wakelock_lookup_add() argument
159 diff = strncmp(name, wl->name, len); in wakelock_lookup_add()
161 if (wl->name[len]) in wakelock_lookup_add()
182 wl->name = kstrndup(name, len, GFP_KERNEL); in wakelock_lookup_add()
208 size_t len; in pm_wake_lock() local
217 len = str - buf; in pm_wake_lock()
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| D | main.c | 157 int len; in decode_suspend_state() local
160 len = p ? p - buf : n; in decode_suspend_state()
165 if (label && len == strlen(label) && !strncmp(buf, label, len)) in decode_suspend_state()
274 int len; in pm_test_store() local
277 len = p ? p - buf : n; in pm_test_store()
283 if (*s && len == strlen(*s) && !strncmp(buf, *s, len)) { in pm_test_store()
598 int len; in decode_state() local
601 len = p ? p - buf : n; in decode_state()
604 if (len == 4 && str_has_prefix(buf, "disk")) in decode_state()
611 if (label && len == strlen(label) && !strncmp(buf, label, len)) in decode_state()
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| /kernel/debug/kdb/ |
| D | kdb_io.c | 204 int len = strlen(buffer); in kdb_read() local
217 if (len > 0) { in kdb_read()
218 cp += len; in kdb_read()
219 if (*(buffer+len-1) == '\n') in kdb_read()
327 len = strlen(p_tmp); in kdb_read()
348 *(p_tmp + len) = '\0'; in kdb_read()
359 strncpy(cp, p_tmp+len, len_tmp-len + 1); in kdb_read()
360 len = len_tmp - len; in kdb_read()
362 cp += len; in kdb_read()
363 lastchar += len; in kdb_read()
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| D | kdb_main.c | 880 int len; in parse_grep() local
899 len = strlen(cp); in parse_grep()
900 if (len == 0) { in parse_grep()
921 len = strlen(cp); in parse_grep()
923 if (*(cp+len-1) == '$') { in parse_grep()
925 *(cp+len-1) = '\0'; in parse_grep()
927 len = strlen(cp); in parse_grep()
928 if (!len) in parse_grep()
930 if (len >= KDB_GREP_STRLEN) { in parse_grep()
1199 size_t len = strlen(buf); in drop_newline() local
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| /kernel/printk/ |
| D | printk.c | 129 size_t len; in __control_devkmsg() local
134 len = str_has_prefix(str, "on"); in __control_devkmsg()
135 if (len) { in __control_devkmsg()
137 return len; in __control_devkmsg()
140 len = str_has_prefix(str, "off"); in __control_devkmsg()
141 if (len) { in __control_devkmsg()
143 return len; in __control_devkmsg()
146 len = str_has_prefix(str, "ratelimit"); in __control_devkmsg()
147 if (len) { in __control_devkmsg()
149 return len; in __control_devkmsg()
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| D | braille.c | 14 size_t len; in _braille_console_setup() local
16 len = str_has_prefix(*str, "brl,"); in _braille_console_setup()
17 if (len) { in _braille_console_setup()
19 *str += len; in _braille_console_setup()
23 len = str_has_prefix(*str, "brl="); in _braille_console_setup()
24 if (len) { in _braille_console_setup()
25 *brl_options = *str + len; in _braille_console_setup()
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| /kernel/rcu/ |
| D | rcu_segcblist.c | 22 rclp->len = 0; in rcu_cblist_init()
32 WRITE_ONCE(rclp->len, rclp->len + 1); in rcu_cblist_enqueue()
52 drclp->len = srclp->len; in rcu_cblist_flush_enqueue()
59 WRITE_ONCE(srclp->len, 1); in rcu_cblist_flush_enqueue()
74 rclp->len--; in rcu_cblist_dequeue()
85 atomic_long_set(&rsclp->len, v); in rcu_segcblist_set_len()
87 WRITE_ONCE(rsclp->len, v); in rcu_segcblist_set_len()
100 long len = 0; in rcu_segcblist_n_segment_cbs() local
104 len += rcu_segcblist_get_seglen(rsclp, i); in rcu_segcblist_n_segment_cbs()
106 return len; in rcu_segcblist_n_segment_cbs()
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| /kernel/entry/ |
| D | syscall_user_dispatch.c | 39 if (likely(instruction_pointer(regs) - sd->offset < sd->len)) in syscall_user_dispatch()
72 unsigned long len, char __user *selector) in set_syscall_user_dispatch() argument
76 if (offset || len || selector) in set_syscall_user_dispatch()
86 if (offset && offset + len <= offset) in set_syscall_user_dispatch()
99 current->syscall_dispatch.len = len; in set_syscall_user_dispatch()
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| /kernel/events/ |
| D | internal.h | 139 size = min(handle->size, len); \
143 len -= written; \
156 } while (len && written == size); \
158 return len; \
164 const void *buf, unsigned long len) \
169 const void *buf, unsigned long len) in __output_custom() argument
171 unsigned long orig_len = len; in __output_custom()
173 orig_len - len, size) in __output_custom()
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| /kernel/module/ |
| D | signing.c | 53 size_t sig_len, modlen = info->len; in mod_verify_sig()
69 info->len = modlen; in mod_verify_sig()
90 info->len > markerlen && in module_sig_check()
91 memcmp(mod + info->len - markerlen, MODULE_SIG_STRING, markerlen) == 0) { in module_sig_check()
93 info->len -= markerlen; in module_sig_check()
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| /kernel/debug/ |
| D | gdbstub.c | 195 void gdbstub_msg_write(const char *s, int len) in gdbstub_msg_write() argument
201 if (len == 0) in gdbstub_msg_write()
202 len = strlen(s); in gdbstub_msg_write()
208 while (len > 0) { in gdbstub_msg_write()
212 if ((len << 1) > (BUFMAX - 2)) in gdbstub_msg_write()
215 wcount = len; in gdbstub_msg_write()
224 len -= wcount; in gdbstub_msg_write()
773 int len = strlen(remcom_in_buffer + 6); in gdb_cmd_query() local
775 if ((len % 2) != 0) { in gdb_cmd_query()
780 remcom_out_buffer, len); in gdb_cmd_query()
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