arch/alpha/include/asm/string.h

63

extern void * memchr(const void *, int, size_t);

arch/arc/kernel/unwind.c

613

ptr = memchr(aug, 0, end - ptr);

arch/arm/include/asm/string.h

28

extern void * memchr(const void *, int, __kernel_size_t);

arch/arm/kernel/armksyms.c

90

EXPORT_SYMBOL(memchr);

arch/arm64/include/asm/string.h

31

extern void *memchr(const void *, int, __kernel_size_t);

arch/powerpc/boot/string.h

19

extern void *memchr(const void *s, int c, size_t n);

arch/powerpc/include/asm/string.h

30

extern void * memchr(const void *,int,__kernel_size_t);

arch/powerpc/platforms/44x/cpm.c

150

p = memchr(buf, '\n', n);

arch/riscv/kernel/pi/fdt_early.c

72

else if (!memchr(s, '@', len) && (p[len] == '@'))

arch/s390/include/asm/boot_data.h

61

const char *p = memchr(buf, ']', strlen(buf));

arch/s390/include/asm/string.h

189

void *memchr(const void * s, int c, size_t n);

arch/s390/lib/string.c

255

EXPORT_SYMBOL(memchr);

arch/sh/include/asm/string_32.h

97

extern void *memchr(const void *__s, int __c, size_t __n);

arch/sh/kernel/sh_ksyms_32.c

10

EXPORT_SYMBOL(memchr);

arch/x86/include/asm/string_32.h

163

extern void *memchr(const void *cs, int c, size_t count);

arch/x86/lib/string_32.c

192

EXPORT_SYMBOL(memchr);

drivers/char/lp.c

833

char *lf = memchr(s, '\n', count);

drivers/cpufreq/amd-pstate.c

1389

char *p = memchr(buf, '\n', count);

drivers/cpufreq/intel_pstate.c

1536

char *p = memchr(buf, '\n', count);

drivers/hwtracing/intel_th/msu.c

1886

cp = memchr(buf, '\n', len);

drivers/hwtracing/intel_th/msu.c

2003

end = memchr(buf, '\n', len);

drivers/hwtracing/intel_th/msu.c

2008

end = memchr(p, ',', len);

drivers/input/keyboard/applespi.c

1147

if (memchr(keyboard_protocol->keys_pressed,

drivers/input/keyboard/maple_keyb.c

108

ptr = memchr(kbd->old + 2, kbd->new[i], 6);

drivers/input/keyboard/maple_keyb.c

96

ptr = memchr(kbd->new + 2, kbd->old[i], 6);

drivers/input/serio/libps2.c

193

return memchr(keyboard_ids, id_byte, sizeof(keyboard_ids)) != NULL;

drivers/input/serio/ps2mult.c

85

need_escape = memchr(ps2mult_controls, data, sizeof(ps2mult_controls));

drivers/md/dm-ioctl.c

1481

nul_terminator = memchr(target_params, 0, (size_t)(end - target_params));

drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.c

319

if (memchr(edid + i + 1, 97, len))

drivers/media/cec/usb/extron-da-hd-4k-plus/extron-da-hd-4k-plus.c

322

if (memchr(edid + i + 1, 95, len))

drivers/media/pci/cx18/cx18-fileops.c

297

q = memchr(p, 0, start + len - p);

drivers/media/pci/ivtv/ivtv-fileops.c

311

while (start + len > p && (q = memchr(p, 0, start + len - p))) {

drivers/media/platform/qcom/venus/hfi_venus.c

1066

p = memchr(sfr->data, '\0', size);

drivers/media/test-drivers/vicodec/vicodec-core.c

360

p = memchr(p, magic[ctx->comp_magic_cnt],

drivers/misc/lkdtm/heap.c

274

if (memchr(val, 0xAB, 512) == NULL) {

drivers/misc/lkdtm/heap.c

307

if (memchr(val, 0xAB, PAGE_SIZE) == NULL) {

drivers/misc/mei/vsc-tp.c

187

src = memchr(rx_buf, VSC_TP_PACKET_SYNC, next_xfer_len);

drivers/net/netconsole.c

1811

msgbody = memchr(msg, ';', msg_len);

drivers/net/team/team_core.c

2646

!memchr(nla_data(attr_data), '\0',

drivers/pinctrl/intel/pinctrl-baytrail.c

1406

match = memchr(direct_irq_mux, pin, sizeof(direct_irq_mux));

drivers/platform/x86/asus-tf103c-dock.c

299

esc = memchr(buf, 0x29, size);

drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h

147

p = memchr(buf_cp, '\n', count); \

drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c

82

p = memchr(buf_cp, '\n', count);

drivers/platform/x86/hp/hp-bioscfg/bioscfg.c

195

p = memchr(buf, '\n', count);

drivers/scsi/scsi.c

368

if (!memchr(&vpd[SCSI_VPD_HEADER_SIZE], page, result))

drivers/soc/apple/rtkit-crashlog.c

74

u8 *newline = memchr(ptr, '\n', end - ptr);

drivers/soc/fsl/qe/qe.c

359

const u8 *p = memchr(snums, snum, qe_num_of_snum);

drivers/tty/hvc/hvc_iucv.c

1279

end = memchr(start, ' ', 8);

drivers/usb/core/sysfs.c

458

cp = memchr(buf, '\n', count);

drivers/xen/xenbus/xenbus_dev_frontend.c

503

token = memchr(path, 0, u->u.msg.len);

drivers/xen/xenbus/xenbus_dev_frontend.c

509

if (memchr(token, 0, u->u.msg.len - (token - path)) == NULL) {

fs/afs/addr_list.c

103

if (delim == ':' && (memchr(text, ',', len) || !memchr(text, '.', len)))

fs/afs/addr_list.c

122

p = memchr(p, ']', end - p);

fs/afs/addr_list.c

132

p = memchr(p, delim, end - p);

fs/afs/addr_list.c

168

q = memchr(p, ']', end - p);

fs/afs/addr_prefs.c

87

q = memchr(p, ']', end - p);

fs/afs/cell.c

436

if (memchr(rootcell, '/', len))

fs/afs/proc.c

234

if (memchr(buf, '/', size))

fs/afs/proc.c

238

s = memchr(buf, '\n', size);

fs/afs/proc.c

602

if (memchr(s, '/', len))

fs/afs/proc.c

96

name = memchr(buf, '\n', size);

fs/autofs/dev-ioctl.c

44

if (memchr(str, 0, size))

fs/btrfs/dev-replace.c

716

if (memchr(args->start.srcdev_name, 0,

fs/btrfs/dev-replace.c

723

if (memchr(args->start.tgtdev_name, 0,

fs/btrfs/ioctl.c

232

if (memchr(vol_args->name, 0, sizeof(vol_args->name)) == NULL)

fs/btrfs/ioctl.c

239

if (memchr(vol_args2->name, 0, sizeof(vol_args2->name)) == NULL)

fs/cachefiles/daemon.c

304

if (memchr(data, '\0', datalen))

fs/cachefiles/daemon.c

308

cp = memchr(data, '\n', datalen);

fs/fuse/readdir.c

136

if (memchr(dirent->name, '/', dirent->namelen) != NULL)

fs/fuse/readdir.c

308

if (memchr(dirent->name, '/', dirent->namelen) != NULL)

fs/fuse/readdir.c

414

if (WARN_ON(memchr(dirent->name, '/', dirent->namelen) != NULL))

fs/fuse/virtio_fs.c

503

end = memchr(tag_buf, '\0', sizeof(tag_buf));

fs/isofs/rock.c

278

p = memchr(rr->u.NM.name, '\0', len);

fs/lockd/mon.c

325

if (hostname && memchr(hostname, '/', hostname_len) != NULL) {

fs/nfs/fs_context.c

1093

comma = memchr(dev_name, ',', len);

fs/nfs/nfs4idmap.c

170

if (memchr(name, '@', namelen) != NULL || namelen >= sizeof(buf))

fs/nfs/nfs4namespace.c

330

if (memchr(buf->data, IPV6_SCOPE_DELIMITER, buf->len))

fs/nfs/nfs4namespace.c

505

if (memchr(buf->data, IPV6_SCOPE_DELIMITER, buf->len) != NULL)

fs/readdir.c

152

if (memchr(name, '/', len))

fs/romfs/storage.c

147

p = memchr(buf, 0, segment);

fs/romfs/storage.c

51

p = memchr(buf, 0, len);

fs/smb/client/netmisc.c

74

pct = memchr(src, '%', len);

fs/xfs/libxfs/xfs_attr.c

1643

return !memchr(name, 0, length);

fs/xfs/libxfs/xfs_dir2.c

739

return !memchr(name, '/', length) && !memchr(name, 0, length);

fs/xfs/libxfs/xfs_symlink_remote.c

228

if (memchr(sfp, 0, size - 1))

include/linux/fortify-string.h

41

macro(memchr), \

include/linux/fortify-string.h

729

void *memchr(const void * const POS0 p, int c, __kernel_size_t size)

include/linux/fortify-string.h

92

extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr);

include/linux/string.h

275

extern void * memchr(const void *,int,__kernel_size_t);

include/linux/string_helpers.h

17

return memchr(s, '\0', len) ? true : false;

kernel/power/hibernate.c

1242

p = memchr(buf, '\n', n);

kernel/power/main.c

249

p = memchr(buf, '\n', n);

kernel/power/main.c

366

p = memchr(buf, '\n', n);

kernel/power/main.c

780

p = memchr(buf, '\n', n);

kernel/printk/printk.c

1443

next = memchr(text, '\n', text_len);

kernel/printk/printk_ringbuffer.c

1854

next = memchr(next, '\n', next_size);

kernel/sysctl.c

307

if (len < *size && perm_tr_len && !memchr(perm_tr, *p, perm_tr_len))

lib/nlattr.c

477

if (!minlen || memchr(nla_data(nla), '\0', minlen) == NULL) {

lib/string.c

815

EXPORT_SYMBOL(memchr);

lib/test_fortify/read_overflow-memchr.c

3

memchr(small, 0x7A, sizeof(small) + 1)

lib/tests/fortify_kunit.c

968

KUNIT_ASSERT_PTR_EQ(test, memchr(haystack, needle, len),

lib/tests/fortify_kunit.c

972

KUNIT_ASSERT_PTR_EQ(test, memchr(haystack, needle, len + 1),

lib/tests/fortify_kunit.c

975

KUNIT_ASSERT_PTR_EQ(test, memchr(haystack, needle, len * 2),

lib/tests/memcpy_kunit.c

195

memchr(larger_array + 1, 0xaa, ARRAY_SIZE(larger_array) - 1));

lib/tests/memcpy_kunit.c

201

KUNIT_ASSERT_NULL(test, memchr(larger_array + 1, 0xBBu, 256 - 1));

lib/tests/memcpy_kunit.c

203

memchr(larger_array + 257, 0xBBu, ARRAY_SIZE(larger_array) - 257));

mm/kasan/kasan_test_c.c

1636

kasan_ptr_result = memchr(ptr, '1', size + 1));

net/ceph/messenger.c

1254

delim_p = memchr(name, delim, namelen);

net/ceph/messenger.c

1255

colon_p = memchr(name, ':', namelen);

net/dns_resolver/dns_key.c

144

opt = memchr(data, '#', datalen);

net/dns_resolver/dns_key.c

160

next_opt = memchr(opt, '#', end - opt) ?: end;

net/dns_resolver/dns_key.c

168

eq = memchr(opt, '=', opt_len);

net/mctp/device.c

223

if (memchr(mdev->addrs, addr->s_addr, mdev->num_addrs))

net/mctp/device.c

282

pos = memchr(mdev->addrs, addr->s_addr, mdev->num_addrs);

net/netfilter/nfnetlink_osf.c

334

if (!memchr(f->genre, 0, MAXGENRELEN) ||

net/netfilter/nfnetlink_osf.c

335

!memchr(f->subtype, 0, MAXGENRELEN) ||

net/netfilter/nfnetlink_osf.c

336

!memchr(f->version, 0, MAXGENRELEN))

net/netfilter/nft_set_rbtree.c

1175

if (memchr(key, 1, set->klen))

net/netfilter/xt_LED.c

102

!memchr(ledinfo->id, '\0', sizeof(ledinfo->id)))

net/rxrpc/rxkad.c

989

q = memchr(p, 0, end - p); \

scripts/asn1_compiler.c

367

nl = memchr(line, '\n', end - buffer);

scripts/asn1_compiler.c

378

while ((p = memchr(p, '-', nl - p))) {

scripts/asn1_compiler.c

382

while ((q = memchr(q, '-', nl - q))) {

scripts/dtc/libfdt/fdt_overlay.c

414

fixup_end = memchr(value, '\0', len);

scripts/dtc/libfdt/fdt_overlay.c

423

sep = memchr(fixup_str, ':', fixup_len);

scripts/dtc/libfdt/fdt_overlay.c

433

sep = memchr(name, ':', fixup_len);

scripts/dtc/libfdt/fdt_overlay.c

942

if (path_len < 1 || memchr(path, '\0', path_len) != &path[path_len - 1])

scripts/dtc/libfdt/fdt_ro.c

263

const char *q = memchr(path, '/', end - p);

scripts/dtc/libfdt/fdt_ro.c

28

else if (!memchr(s, '@', len) && (p[len] == '@'))

scripts/dtc/libfdt/fdt_ro.c

284

q = memchr(p, '/', end - p);

scripts/dtc/libfdt/fdt_ro.c

743

p = memchr(strlist, '\0', listlen);

scripts/dtc/libfdt/fdt_ro.c

83

n = memchr(s, '\0', len);

scripts/dtc/livetree.c

1175

fnext = memchr(fv, 0, fl);

scripts/dtc/livetree.c

1185

propname = memchr(fv, ':', fnext - 1 - fv);

scripts/dtc/livetree.c

1194

soffset = memchr(propname, ':', fnext - 1 - propname);

security/tomoyo/util.c

533

const char *cp1 = memchr(filename, '/', len);

security/tomoyo/util.c

534

const char *cp2 = memchr(filename, '.', len);

sound/core/seq/oss/seq_oss_synth.c

461

p = memchr(buf, 0xff, 6);

tools/lib/bpf/usdt.c

1171

name = (const char *)memchr(provider, '\0', data + len - provider);

tools/lib/bpf/usdt.c

1178

args = memchr(name, '\0', data + len - name);

tools/perf/builtin-trace.c

656

sep = memchr(tok, '|', size);

tools/perf/util/demangle-rust-v0.c

1561

const char *minus = memchr(abi, '_', abi_len);

tools/perf/util/demangle-rust-v0.c

1826

const char *escape = memchr(rest + 1, '$', len - 1);

tools/perf/util/probe-event.c

1569

if (ptr && memchr(arg, '.', ptr - arg))

tools/perf/util/srccode.c

168

p = memchr(l, '\n', sf->map + sf->maplen - l);

tools/perf/util/srccode.c

49

while (p < end && (p = memchr(p, '\n', end - p)) != NULL) {

tools/perf/util/srccode.c

68

while (p < end && (p = memchr(p, '\n', end - p)) != NULL) {

tools/perf/util/symbol-elf.c

2721

name = (const char *)memchr(provider, '\0', data + len - provider);

tools/perf/util/symbol-elf.c

2736

args = memchr(name, '\0', data + len - name);

tools/testing/selftests/nolibc/nolibc-test.c

1637

CASE_TEST(memchr_foobar6_o); EXPECT_STREQ(1, memchr("foobar", 'o', 6), "oobar"); break;

tools/testing/selftests/nolibc/nolibc-test.c

1638

CASE_TEST(memchr_foobar3_b); EXPECT_STRZR(1, memchr("foobar", 'b', 3)); break;