drivers/char/sonypi.c

905

if ((kfifo_len(&sonypi_device.fifo) == 0) &&

drivers/char/sonypi.c

910

kfifo_len(&sonypi_device.fifo) != 0);

drivers/char/sonypi.c

933

if (kfifo_len(&sonypi_device.fifo))

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

3743

msg_count = kfifo_len(&con->poison_fifo);

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

3776

msg_count = kfifo_len(&con->poison_fifo);

drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c

98

to_copy = kfifo_len(&client->fifo);

drivers/gpu/drm/amd/ras/rascore/ras_process.c

121

uint32_t event_count = kfifo_len(&ras_proc->event_fifo);

drivers/gpu/drm/amd/ras/rascore/ras_process.c

184

(kfifo_len(&ras_proc->event_fifo)))

drivers/iio/buffer/kfifo_buf.c

126

samples = kfifo_len(&kf->kf);

drivers/media/i2c/cx25840/cx25840-ir.c

618

if (kfifo_len(&ir_state->rx_kfifo) >= CX25840_IR_RX_KFIFO_SIZE / 2)

drivers/media/i2c/cx25840/cx25840-ir.c

846

n = CX25840_IR_TX_KFIFO_SIZE - kfifo_len(ir_state->tx_kfifo);

drivers/media/pci/cx23885/cx23888-ir.c

619

if (kfifo_len(&state->rx_kfifo) >= CX23888_IR_RX_KFIFO_SIZE / 2)

drivers/media/platform/amphion/vpu_dbg.c

211

num = scnprintf(str, sizeof(str), "kfifo len = 0x%x\n", kfifo_len(&inst->msg_fifo));

drivers/media/platform/amphion/vpu_dbg.c

293

num = scnprintf(str, sizeof(str), "kfifo len = 0x%x\n", kfifo_len(&core->msg_fifo));

drivers/media/platform/amphion/vpu_msgs.c

257

if (kfifo_len(&inst->msg_fifo) < bytes)

drivers/media/platform/amphion/vpu_msgs.c

355

while (kfifo_len(&core->msg_fifo) >= SIZE) {

drivers/media/platform/amphion/vpu_msgs.c

384

if (kfifo_len(&core->msg_fifo) >= bytes)

drivers/media/platform/amphion/vpu_msgs.c

394

if (inst->workqueue && kfifo_len(&inst->msg_fifo) >= bytes)

drivers/media/platform/chips-media/coda/coda.h

344

return kfifo_len(&ctx->bitstream_fifo);

drivers/media/platform/chips-media/wave5/wave5-vpu.c

128

while (kfifo_len(&inst->irq_status)) {

drivers/media/platform/chips-media/wave5/wave5-vpu.c

175

while (kfifo_len(&inst->irq_status)) {

drivers/media/radio/radio-si476x.c

1107

fifo_len = kfifo_len(&radio->core->rds_fifo);

drivers/mmc/core/sdio_uart.c

424

if (tty == NULL || !kfifo_len(xmit) ||

drivers/mmc/core/sdio_uart.c

437

len = kfifo_len(xmit);

drivers/mmc/core/sdio_uart.c

785

return FIFO_SIZE - kfifo_len(&port->xmit_fifo);

drivers/mmc/core/sdio_uart.c

791

return kfifo_len(&port->xmit_fifo);

drivers/mtd/sm_ftl.c

859

if (!kfifo_len(&zone->free_sectors)) {

drivers/mtd/sm_ftl.c

866

i %= (kfifo_len(&zone->free_sectors) / 2);

drivers/net/wireless/marvell/libertas/cmd.c

1327

if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx])

drivers/net/wireless/marvell/libertas/cmd.c

1359

if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) {

drivers/net/wireless/marvell/libertas/main.c

452

else if (kfifo_len(&priv->event_fifo))

drivers/net/wireless/marvell/libertas/main.c

504

while (kfifo_len(&priv->event_fifo)) {

drivers/nvme/target/pr.c

124

log.nr_pages = kfifo_len(&log_mgr->log_queue);

drivers/platform/x86/sony-laptop.c

365

if (kfifo_len(&sony_laptop_input.fifo) != 0)

drivers/platform/x86/sony-laptop.c

3909

if ((kfifo_len(&sonypi_compat.fifo) == 0) &&

drivers/platform/x86/sony-laptop.c

3914

kfifo_len(&sonypi_compat.fifo) != 0);

drivers/platform/x86/sony-laptop.c

3937

if (kfifo_len(&sonypi_compat.fifo))

drivers/rapidio/devices/rio_mport_cdev.c

2242

if (kfifo_len(&priv->event_fifo))

drivers/rapidio/devices/rio_mport_cdev.c

2266

kfifo_len(&priv->event_fifo) != 0);

drivers/scsi/libiscsi_tcp.c

999

BUG_ON(kfifo_len(&tcp_task->r2tqueue));

drivers/staging/greybus/loopback.c

947

if (kfifo_len(kfifo) == 0) {

drivers/staging/greybus/uart.c

466

chars = kfifo_len(&gb_tty->write_fifo);

drivers/tty/mxser.c

1546

if (kfifo_len(&port->port.xmit_fifo) < WAKEUP_CHARS)

drivers/tty/mxser.c

939

return kfifo_len(&info->port.xmit_fifo);

drivers/tty/n_gsm.c

1188

len = kfifo_len(&dlci->fifo);

drivers/tty/n_gsm.c

4426

return kfifo_len(&dlci->fifo);

drivers/tty/nozomi.c

1771

return kfifo_len(&port->fifo_ul);

drivers/tty/nozomi.c

909

if (kfifo_len(&dc->port[port].fifo_ul)) {

drivers/tty/nozomi.c

913

kfifo_len(&dc->port[port].fifo_ul));

drivers/tty/serial/8250/8250_bcm7271.c

427

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/8250/8250_dma.c

31

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/8250/8250_omap.c

1099

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/8250/8250_omap.c

1169

if (kfifo_len(&tport->xmit_fifo) < 4) {

drivers/tty/serial/8250/8250_pci1xxxx.c

456

if (kfifo_len(&tport->xmit_fifo) < UART_BURST_SIZE)

drivers/tty/serial/8250/8250_pci1xxxx.c

481

kfifo_len(&tport->xmit_fifo) >= UART_BURST_SIZE)

drivers/tty/serial/8250/8250_pci1xxxx.c

506

valid_byte_count = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/8250/8250_pci1xxxx.c

518

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/8250/8250_port.c

1720

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/amba-pl011.c

1539

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/amba-pl011.c

611

count = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/amba-pl011.c

670

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/ar933x_uart.c

430

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/arc_uart.c

178

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/atmel_serial.c

1008

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/atmel_serial.c

1485

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/atmel_serial.c

878

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/clps711x.c

177

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/cpm_uart.c

698

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/digicolor-usart.c

210

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/dz.c

284

if (kfifo_len(&tport->xmit_fifo) < DZ_WAKEUP_CHARS)

drivers/tty/serial/fsl_linflexuart.c

185

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/fsl_lpuart.c

490

sport->dma_tx_bytes = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/fsl_lpuart.c

545

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/fsl_lpuart.c

781

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/imx.c

577

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/imx.c

606

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/imx.c

640

sport->tx_bytes = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/ip22zilog.c

412

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/ip22zilog.c

607

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/jsm/jsm_neo.c

522

qlen = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/max3100.c

291

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/max310x.c

780

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/men_z135_uart.c

313

qlen = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/men_z135_uart.c

352

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/meson_uart.c

173

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/milbeaut_usio.c

114

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/msm_serial.c

489

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/msm_serial.c

885

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/mxs-auart.c

529

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/pic32_uart.c

383

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/pmac_zilog.c

401

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/pmac_zilog.c

617

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/qcom_geni_serial.c

1025

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/qcom_geni_serial.c

1042

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/qcom_geni_serial.c

976

pending = kfifo_len(&tport->xmit_fifo);

drivers/tty/serial/rda-uart.c

354

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/rsci.c

468

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/samsung_tty.c

353

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/samsung_tty.c

923

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sb1250-duart.c

406

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sc16is7xx.c

686

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sccnxp.c

477

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/serial-tegra.c

528

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/serial-tegra.c

641

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/serial_core.c

662

ret = kfifo_len(&state->port.xmit_fifo);

drivers/tty/serial/sh-sci.c

1057

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sh-sci.c

1422

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sprd_serial.c

278

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/stm32-usart.c

832

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sunhv.c

215

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sunplus-uart.c

226

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sunsab.c

280

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sunsu.c

402

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sunzilog.c

513

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/sunzilog.c

712

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/timbuart.c

130

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/uartlite.c

214

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/ucc_uart.c

385

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/xilinx_uartps.c

453

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/tty/serial/zs.c

630

if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)

drivers/usb/gadget/function/u_serial.c

214

len = kfifo_len(&port->port_write_buf);

drivers/usb/gadget/function/u_serial.c

686

cond = p->port_usb == NULL || !kfifo_len(&p->port_write_buf) ||

drivers/usb/gadget/function/u_serial.c

718

if (kfifo_len(&port->port_write_buf) > 0 && gser) {

drivers/usb/gadget/function/u_serial.c

849

chars = kfifo_len(&port->port_write_buf);

drivers/usb/host/fhci.h

485

return kfifo_len(kfifo) / sizeof(void *);

drivers/usb/host/xhci-dbgtty.c

318

port->tx_boundary = kfifo_len(&port->port.xmit_fifo);

drivers/usb/host/xhci-dbgtty.c

32

len = kfifo_len(&port->port.xmit_fifo);

drivers/usb/host/xhci-dbgtty.c

375

chars = kfifo_len(&port->port.xmit_fifo);

drivers/usb/serial/cypress_m8.c

965

chars = kfifo_len(&priv->write_fifo);

drivers/usb/serial/generic.c

165

if (!port->write_urbs_free || !kfifo_len(&port->write_fifo)) {

drivers/usb/serial/generic.c

259

chars = kfifo_len(&port->write_fifo) + port->tx_bytes;

drivers/usb/serial/io_ti.c

2102

chars = kfifo_len(&port->write_fifo);

drivers/usb/serial/keyspan_pda.c

481

count = kfifo_len(&port->write_fifo);

drivers/usb/serial/oti6858.c

280

count = kfifo_len(&port->write_fifo);

drivers/usb/serial/oti6858.c

386

chars = kfifo_len(&port->write_fifo);

drivers/usb/serial/oti6858.c

739

count = kfifo_len(&port->write_fifo);

drivers/usb/serial/ti_usb_3410_5052.c

834

chars = kfifo_len(&port->write_fifo);

include/linux/kfifo.h

292

kfifo_len(__tmpq) > __tmpq->kfifo.mask; \

include/linux/kfifo.h

304

unsigned int __avail = kfifo_size(__tmpq) - kfifo_len(__tmpq); \

include/linux/kfifo.h

344

(!__recsize) ? kfifo_len(__tmp) * sizeof(*__tmp->type) : \

include/linux/serial_core.h

942

pending = kfifo_len(&__tport->xmit_fifo); \

lib/tests/kfifo_kunit.c

183

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 3);

lib/tests/kfifo_kunit.c

189

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 3);

lib/tests/kfifo_kunit.c

198

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 3);

lib/tests/kfifo_kunit.c

21

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 3);

lib/tests/kfifo_kunit.c

25

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 0);

lib/tests/kfifo_kunit.c

35

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 0);

lib/tests/kfifo_kunit.c

47

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 0);

lib/tests/kfifo_kunit.c

50

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), N_ELEMENTS);

lib/tests/kfifo_kunit.c

53

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), N_ELEMENTS * 2);

lib/tests/kfifo_kunit.c

56

KUNIT_EXPECT_EQ(test, kfifo_len(&my_fifo), 0);

samples/kfifo/bytestream-example.c

68

printk(KERN_INFO "fifo len: %u\n", kfifo_len(&test));

samples/kfifo/bytestream-example.c

89

printk(KERN_INFO "queue len: %u\n", kfifo_len(&test));

samples/kfifo/dma-example.c

123

ret = kfifo_len(&fifo);

samples/kfifo/dma-example.c

124

printk(KERN_INFO "queue len: %u\n", kfifo_len(&fifo));

samples/kfifo/dma-example.c

47

printk(KERN_INFO "queue len: %u\n", kfifo_len(&fifo));

samples/kfifo/inttype-example.c

65

printk(KERN_INFO "fifo len: %u\n", kfifo_len(&test));

samples/kfifo/inttype-example.c

82

printk(KERN_INFO "queue len: %u\n", kfifo_len(&test));

samples/kfifo/record-example.c

93

printk(KERN_INFO "fifo len: %u\n", kfifo_len(&test));

sound/usb/line6/driver.c

574

while (kfifo_len(&line6->messages.fifo) == 0) {

sound/usb/line6/driver.c

582

kfifo_len(&line6->messages.fifo) != 0);

sound/usb/line6/driver.c

635

return kfifo_len(&line6->messages.fifo) == 0 ? 0 : EPOLLIN | EPOLLRDNORM;