media: use strscpy() instead of strlcpy()

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

43 files changed, 140 insertions, 136 deletions

diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index e70c9e2f3798..41fa0f93143d 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -619,8 +619,8 @@ static int airspy_querycap(struct file *file, void *fh,
 {
 	struct airspy *s = video_drvdata(file);
 
-	strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
-	strlcpy(cap->card, s->vdev.name, sizeof(cap->card));
+	strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
+	strscpy(cap->card, s->vdev.name, sizeof(cap->card));
 	usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info));
 	cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
 			V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
@@ -635,7 +635,7 @@ static int airspy_enum_fmt_sdr_cap(struct file *file, void *priv,
 	if (f->index >= NUM_FORMATS)
 		return -EINVAL;
 
-	strlcpy(f->description, formats[f->index].name, sizeof(f->description));
+	strscpy(f->description, formats[f->index].name, sizeof(f->description));
 	f->pixelformat = formats[f->index].pixelformat;
 
 	return 0;
@@ -720,14 +720,14 @@ static int airspy_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
 	int ret;
 
 	if (v->index == 0) {
-		strlcpy(v->name, "AirSpy ADC", sizeof(v->name));
+		strscpy(v->name, "AirSpy ADC", sizeof(v->name));
 		v->type = V4L2_TUNER_ADC;
 		v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
 		v->rangelow  = bands[0].rangelow;
 		v->rangehigh = bands[0].rangehigh;
 		ret = 0;
 	} else if (v->index == 1) {
-		strlcpy(v->name, "AirSpy RF", sizeof(v->name));
+		strscpy(v->name, "AirSpy RF", sizeof(v->name));
 		v->type = V4L2_TUNER_RF;
 		v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
 		v->rangelow  = bands_rf[0].rangelow;
diff --git a/drivers/media/usb/au0828/au0828-i2c.c b/drivers/media/usb/au0828/au0828-i2c.c
index 1b8ec5d9e7ab..92df5b5463af 100644
--- a/drivers/media/usb/au0828/au0828-i2c.c
+++ b/drivers/media/usb/au0828/au0828-i2c.c
@@ -378,7 +378,7 @@ int au0828_i2c_register(struct au0828_dev *dev)
 
 	dev->i2c_adap.dev.parent = &dev->usbdev->dev;
 
-	strlcpy(dev->i2c_adap.name, KBUILD_MODNAME,
+	strscpy(dev->i2c_adap.name, KBUILD_MODNAME,
 		sizeof(dev->i2c_adap.name));
 
 	dev->i2c_adap.algo = &dev->i2c_algo;
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 62b45062b1e6..aa25c19437ad 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -1191,8 +1191,8 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
 		dev->std_set_in_tuner_core, dev->dev_state);
 
-	strlcpy(cap->driver, "au0828", sizeof(cap->driver));
-	strlcpy(cap->card, dev->board.name, sizeof(cap->card));
+	strscpy(cap->driver, "au0828", sizeof(cap->driver));
+	strscpy(cap->card, dev->board.name, sizeof(cap->card));
 	usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info));
 
 	/* set the device capabilities */
diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index 2f3b0564d676..f700ec35b7f3 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1583,7 +1583,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 	if (f->index != 0)
 		return -EINVAL;
 
-	strlcpy(f->description, "MPEG", sizeof(f->description));
+	strscpy(f->description, "MPEG", sizeof(f->description));
 	f->pixelformat = V4L2_PIX_FMT_MPEG;
 
 	return 0;
diff --git a/drivers/media/usb/cx231xx/cx231xx-input.c b/drivers/media/usb/cx231xx/cx231xx-input.c
index 3e9b73a6b7c9..9f88c640ec2b 100644
--- a/drivers/media/usb/cx231xx/cx231xx-input.c
+++ b/drivers/media/usb/cx231xx/cx231xx-input.c
@@ -67,7 +67,7 @@ int cx231xx_ir_init(struct cx231xx *dev)
 
 	dev->init_data.name = cx231xx_boards[dev->model].name;
 
-	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+	strscpy(info.type, "ir_video", I2C_NAME_SIZE);
 	info.platform_data = &dev->init_data;
 
 	/*
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index f7fcd733a2ca..7759bc66f18c 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1354,22 +1354,22 @@ int cx231xx_g_chip_info(struct file *file, void *fh,
 	case 0:	/* Cx231xx - internal registers */
 		return 0;
 	case 1:	/* AFE - read byte */
-		strlcpy(chip->name, "AFE (byte)", sizeof(chip->name));
+		strscpy(chip->name, "AFE (byte)", sizeof(chip->name));
 		return 0;
 	case 2:	/* Video Block - read byte */
-		strlcpy(chip->name, "Video (byte)", sizeof(chip->name));
+		strscpy(chip->name, "Video (byte)", sizeof(chip->name));
 		return 0;
 	case 3:	/* I2S block - read byte */
-		strlcpy(chip->name, "I2S (byte)", sizeof(chip->name));
+		strscpy(chip->name, "I2S (byte)", sizeof(chip->name));
 		return 0;
 	case 4: /* AFE - read dword */
-		strlcpy(chip->name, "AFE (dword)", sizeof(chip->name));
+		strscpy(chip->name, "AFE (dword)", sizeof(chip->name));
 		return 0;
 	case 5: /* Video Block - read dword */
-		strlcpy(chip->name, "Video (dword)", sizeof(chip->name));
+		strscpy(chip->name, "Video (dword)", sizeof(chip->name));
 		return 0;
 	case 6: /* I2S Block - read dword */
-		strlcpy(chip->name, "I2S (dword)", sizeof(chip->name));
+		strscpy(chip->name, "I2S (dword)", sizeof(chip->name));
 		return 0;
 	}
 	return -EINVAL;
@@ -1553,8 +1553,8 @@ int cx231xx_querycap(struct file *file, void *priv,
 	struct cx231xx_fh *fh = priv;
 	struct cx231xx *dev = fh->dev;
 
-	strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
-	strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
+	strscpy(cap->driver, "cx231xx", sizeof(cap->driver));
+	strscpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
 	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
 
 	if (vdev->vfl_type == VFL_TYPE_RADIO)
@@ -1583,7 +1583,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 	if (unlikely(f->index >= ARRAY_SIZE(format)))
 		return -EINVAL;
 
-	strlcpy(f->description, format[f->index].name, sizeof(f->description));
+	strscpy(f->description, format[f->index].name, sizeof(f->description));
 	f->pixelformat = format[f->index].fourcc;
 
 	return 0;
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 1f6c1eefe389..80d3bd3a0f24 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -204,7 +204,7 @@ static int af9035_add_i2c_dev(struct dvb_usb_device *d, const char *type,
 		.platform_data = platform_data,
 	};
 
-	strlcpy(board_info.type, type, I2C_NAME_SIZE);
+	strscpy(board_info.type, type, I2C_NAME_SIZE);
 
 	/* find first free client */
 	for (num = 0; num < AF9035_I2C_CLIENT_MAX; num++) {
diff --git a/drivers/media/usb/dvb-usb-v2/anysee.c b/drivers/media/usb/dvb-usb-v2/anysee.c
index 20ee7eea2a91..0df7ad69e6c7 100644
--- a/drivers/media/usb/dvb-usb-v2/anysee.c
+++ b/drivers/media/usb/dvb-usb-v2/anysee.c
@@ -638,7 +638,7 @@ static int anysee_add_i2c_dev(struct dvb_usb_device *d, const char *type,
 		.platform_data = platform_data,
 	};
 
-	strlcpy(board_info.type, type, I2C_NAME_SIZE);
+	strscpy(board_info.type, type, I2C_NAME_SIZE);
 
 	/* find first free client */
 	for (num = 0; num < ANYSEE_I2C_CLIENT_MAX; num++) {
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
index 955318ab7f5e..3b8f7931b730 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -74,7 +74,7 @@ static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
 	if (!d->props->i2c_algo)
 		return 0;
 
-	strlcpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
+	strscpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
 	d->i2c_adap.algo = d->props->i2c_algo;
 	d->i2c_adap.dev.parent = &d->udev->dev;
 	i2c_set_adapdata(&d->i2c_adap, d);
diff --git a/drivers/media/usb/dvb-usb-v2/gl861.c b/drivers/media/usb/dvb-usb-v2/gl861.c
index 3338b21d8b25..0559417c8af4 100644
--- a/drivers/media/usb/dvb-usb-v2/gl861.c
+++ b/drivers/media/usb/dvb-usb-v2/gl861.c
@@ -507,7 +507,7 @@ static int friio_frontend_attach(struct dvb_usb_adapter *adap)
 	priv->i2c_client_demod = cl;
 	priv->tuner_adap.algo = &friio_tuner_i2c_algo;
 	priv->tuner_adap.dev.parent = &d->udev->dev;
-	strlcpy(priv->tuner_adap.name, d->name, sizeof(priv->tuner_adap.name));
+	strscpy(priv->tuner_adap.name, d->name, sizeof(priv->tuner_adap.name));
 	strlcat(priv->tuner_adap.name, "-tuner", sizeof(priv->tuner_adap.name));
 	priv->demod_sub_i2c = &priv->tuner_adap;
 	i2c_set_adapdata(&priv->tuner_adap, d);
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
index 0750a975bcb8..f109c04f05ae 100644
--- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
+++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
@@ -1004,7 +1004,7 @@ static int lme_name(struct dvb_usb_adapter *adap)
 		" SHARP:BS2F7HZ0194", " RS2000"};
 	char *name = adap->fe[0]->ops.info.name;
 
-	strlcpy(name, desc, 128);
+	strscpy(name, desc, 128);
 	strlcat(name, fe_name[st->tuner_config], 128);
 
 	return 0;
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index a970224a94bd..33f76a347baa 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -687,7 +687,7 @@ static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 
 	/* attach demodulator */
 	memset(&board_info, 0, sizeof(board_info));
-	strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
+	strscpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
 	board_info.addr = 0x10;
 	board_info.platform_data = pdata;
 	request_module("%s", board_info.type);
@@ -908,7 +908,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 
 	/* attach demodulator */
 	memset(&board_info, 0, sizeof(board_info));
-	strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
+	strscpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
 	board_info.addr = 0x10;
 	board_info.platform_data = pdata;
 	request_module("%s", board_info.type);
@@ -947,7 +947,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 
 			mn88472_config.fe = &adap->fe[1];
 			mn88472_config.i2c_wr_max = 22,
-			strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
+			strscpy(info.type, "mn88472", I2C_NAME_SIZE);
 			mn88472_config.xtal = 20500000;
 			mn88472_config.ts_mode = SERIAL_TS_MODE;
 			mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
@@ -972,7 +972,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 
 			mn88473_config.fe = &adap->fe[1];
 			mn88473_config.i2c_wr_max = 22,
-			strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
+			strscpy(info.type, "mn88473", I2C_NAME_SIZE);
 			info.addr = 0x18;
 			info.platform_data = &mn88473_config;
 			request_module(info.type);
@@ -998,7 +998,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
 			si2168_config.ts_mode = SI2168_TS_SERIAL;
 			si2168_config.ts_clock_inv = false;
 			si2168_config.ts_clock_gapped = true;
-			strlcpy(info.type, "si2168", I2C_NAME_SIZE);
+			strscpy(info.type, "si2168", I2C_NAME_SIZE);
 			info.addr = 0x64;
 			info.platform_data = &si2168_config;
 			request_module(info.type);
@@ -1189,7 +1189,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 				.clock = 28800000,
 			};
 
-			strlcpy(info.type, "e4000", I2C_NAME_SIZE);
+			strscpy(info.type, "e4000", I2C_NAME_SIZE);
 			info.addr = 0x64;
 			info.platform_data = &e4000_config;
 
@@ -1213,7 +1213,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 			};
 			struct i2c_board_info board_info = {};
 
-			strlcpy(board_info.type, "fc2580", I2C_NAME_SIZE);
+			strscpy(board_info.type, "fc2580", I2C_NAME_SIZE);
 			board_info.addr = 0x56;
 			board_info.platform_data = &fc2580_pdata;
 			request_module("fc2580");
@@ -1244,7 +1244,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 		if (ret)
 			goto err;
 
-		strlcpy(board_info.type, "tua9001", I2C_NAME_SIZE);
+		strscpy(board_info.type, "tua9001", I2C_NAME_SIZE);
 		board_info.addr = 0x60;
 		board_info.platform_data = &tua9001_pdata;
 		request_module("tua9001");
@@ -1289,7 +1289,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 				.inversion = false,
 			};
 
-			strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+			strscpy(info.type, "si2157", I2C_NAME_SIZE);
 			info.addr = 0x60;
 			info.platform_data = &si2157_config;
 			request_module(info.type);
diff --git a/drivers/media/usb/dvb-usb-v2/zd1301.c b/drivers/media/usb/dvb-usb-v2/zd1301.c
index d1eb4b7bc051..7a41d744ff58 100644
--- a/drivers/media/usb/dvb-usb-v2/zd1301.c
+++ b/drivers/media/usb/dvb-usb-v2/zd1301.c
@@ -177,7 +177,7 @@ static int zd1301_frontend_attach(struct dvb_usb_adapter *adap)
 	dev->mt2060_pdata.i2c_write_max = 9;
 	dev->mt2060_pdata.dvb_frontend = frontend;
 	memset(&board_info, 0, sizeof(board_info));
-	strlcpy(board_info.type, "mt2060", I2C_NAME_SIZE);
+	strscpy(board_info.type, "mt2060", I2C_NAME_SIZE);
 	board_info.addr = 0x60;
 	board_info.platform_data = &dev->mt2060_pdata;
 	request_module("%s", "mt2060");
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c
index 5b51ed7d6243..a51a45c60233 100644
--- a/drivers/media/usb/dvb-usb/cxusb.c
+++ b/drivers/media/usb/dvb-usb/cxusb.c
@@ -1196,7 +1196,7 @@ static int cxusb_mygica_t230_frontend_attach(struct dvb_usb_adapter *adap)
 	si2168_config.ts_mode = SI2168_TS_PARALLEL;
 	si2168_config.ts_clock_inv = 1;
 	memset(&info, 0, sizeof(struct i2c_board_info));
-	strlcpy(info.type, "si2168", I2C_NAME_SIZE);
+	strscpy(info.type, "si2168", I2C_NAME_SIZE);
 	info.addr = 0x64;
 	info.platform_data = &si2168_config;
 	request_module(info.type);
@@ -1216,7 +1216,7 @@ static int cxusb_mygica_t230_frontend_attach(struct dvb_usb_adapter *adap)
 	si2157_config.fe = adap->fe_adap[0].fe;
 	si2157_config.if_port = 1;
 	memset(&info, 0, sizeof(struct i2c_board_info));
-	strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+	strscpy(info.type, "si2157", I2C_NAME_SIZE);
 	info.addr = 0x60;
 	info.platform_data = &si2157_config;
 	request_module(info.type);
diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c
index 091389fdf89e..7551dce96f64 100644
--- a/drivers/media/usb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/usb/dvb-usb/dib0700_devices.c
@@ -3763,7 +3763,7 @@ static int xbox_one_attach(struct dvb_usb_adapter *adap)
 	mn88472_config.ts_mode = PARALLEL_TS_MODE;
 	mn88472_config.ts_clock = FIXED_TS_CLOCK;
 	memset(&info, 0, sizeof(struct i2c_board_info));
-	strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
+	strscpy(info.type, "mn88472", I2C_NAME_SIZE);
 	info.addr = 0x18;
 	info.platform_data = &mn88472_config;
 	request_module(info.type);
@@ -3790,7 +3790,7 @@ static int xbox_one_attach(struct dvb_usb_adapter *adap)
 	tda18250_config.fe = adap->fe_adap[0].fe;
 
 	memset(&info, 0, sizeof(struct i2c_board_info));
-	strlcpy(info.type, "tda18250", I2C_NAME_SIZE);
+	strscpy(info.type, "tda18250", I2C_NAME_SIZE);
 	info.addr = 0x60;
 	info.platform_data = &tda18250_config;
 
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-i2c.c b/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
index ca0b734e009b..2e07106f4680 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-i2c.c
@@ -20,7 +20,7 @@ int dvb_usb_i2c_init(struct dvb_usb_device *d)
 		return -EINVAL;
 	}
 
-	strlcpy(d->i2c_adap.name, d->desc->name, sizeof(d->i2c_adap.name));
+	strscpy(d->i2c_adap.name, d->desc->name, sizeof(d->i2c_adap.name));
 	d->i2c_adap.algo      = d->props.i2c_algo;
 	d->i2c_adap.algo_data = NULL;
 	d->i2c_adap.dev.parent = &d->udev->dev;
diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
index 9ce8b4d79d1f..eefe2867815c 100644
--- a/drivers/media/usb/dvb-usb/dw2102.c
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -1589,7 +1589,7 @@ static int tt_s2_4600_frontend_attach(struct dvb_usb_adapter *adap)
 	m88ds3103_pdata.lnb_hv_pol = 1;
 	m88ds3103_pdata.lnb_en_pol = 0;
 	memset(&board_info, 0, sizeof(board_info));
-	strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
+	strscpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
 	board_info.addr = 0x68;
 	board_info.platform_data = &m88ds3103_pdata;
 	request_module("m88ds3103");
@@ -1608,7 +1608,7 @@ static int tt_s2_4600_frontend_attach(struct dvb_usb_adapter *adap)
 	/* attach tuner */
 	ts2020_config.fe = adap->fe_adap[0].fe;
 	memset(&board_info, 0, sizeof(board_info));
-	strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
+	strscpy(board_info.type, "ts2022", I2C_NAME_SIZE);
 	board_info.addr = 0x60;
 	board_info.platform_data = &ts2020_config;
 	request_module("ts2020");
diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
index 18d0f8f5283f..c659e18b358b 100644
--- a/drivers/media/usb/dvb-usb/technisat-usb2.c
+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
@@ -566,8 +566,9 @@ static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a)
 			a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage;
 
 			/* if everything was successful assign a nice name to the frontend */
-			strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name,
-					sizeof(a->fe_adap[0].fe->ops.info.name));
+			strscpy(a->fe_adap[0].fe->ops.info.name,
+				a->dev->desc->name,
+				sizeof(a->fe_adap[0].fe->ops.info.name));
 		} else {
 			dvb_frontend_detach(a->fe_adap[0].fe);
 			a->fe_adap[0].fe = NULL;
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 68571bf36d28..5e8a26fa719a 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1833,9 +1833,9 @@ static int vidioc_g_chip_info(struct file *file, void *priv,
 	if (chip->match.addr > 1)
 		return -EINVAL;
 	if (chip->match.addr == 1)
-		strlcpy(chip->name, "ac97", sizeof(chip->name));
+		strscpy(chip->name, "ac97", sizeof(chip->name));
 	else
-		strlcpy(chip->name,
+		strscpy(chip->name,
 			dev->v4l2->v4l2_dev.name, sizeof(chip->name));
 	return 0;
 }
@@ -1920,8 +1920,8 @@ static int vidioc_querycap(struct file *file, void  *priv,
 	struct em28xx_v4l2    *v4l2 = dev->v4l2;
 	struct usb_device *udev = interface_to_usbdev(dev->intf);
 
-	strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
-	strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
+	strscpy(cap->driver, "em28xx", sizeof(cap->driver));
+	strscpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
 	usb_make_path(udev, cap->bus_info, sizeof(cap->bus_info));
 
 	if (vdev->vfl_type == VFL_TYPE_GRABBER)
@@ -1954,7 +1954,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 	if (unlikely(f->index >= ARRAY_SIZE(format)))
 		return -EINVAL;
 
-	strlcpy(f->description, format[f->index].name, sizeof(f->description));
+	strscpy(f->description, format[f->index].name, sizeof(f->description));
 	f->pixelformat = format[f->index].fourcc;
 
 	return 0;
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index 62aeebcdd7f7..59cf50355b4e 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -208,7 +208,7 @@ static int init_i2c_module(struct i2c_adapter *adapter, const struct go_i2c *con
 	struct i2c_board_info info;
 
 	memset(&info, 0, sizeof(info));
-	strlcpy(info.type, i2c->type, sizeof(info.type));
+	strscpy(info.type, i2c->type, sizeof(info.type));
 	info.addr = i2c->addr;
 	info.flags = i2c->flags;
 
diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c
index c55c82f70e54..7a2781fa83e7 100644
--- a/drivers/media/usb/go7007/go7007-v4l2.c
+++ b/drivers/media/usb/go7007/go7007-v4l2.c
@@ -284,9 +284,9 @@ static int vidioc_querycap(struct file *file, void  *priv,
 {
 	struct go7007 *go = video_drvdata(file);
 
-	strlcpy(cap->driver, "go7007", sizeof(cap->driver));
-	strlcpy(cap->card, go->name, sizeof(cap->card));
-	strlcpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));
+	strscpy(cap->driver, "go7007", sizeof(cap->driver));
+	strscpy(cap->card, go->name, sizeof(cap->card));
+	strscpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));
 
 	cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
 				V4L2_CAP_STREAMING;
@@ -634,8 +634,8 @@ static int vidioc_enum_input(struct file *file, void *priv,
 	if (inp->index >= go->board_info->num_inputs)
 		return -EINVAL;
 
-	str