media: replace strncpy() by strscpy()

The strncpy() function is being deprecated upstream. Replace
it by the safer strscpy().

While here, replace a few occurences of strlcpy() that were
recently added to also use strscpy().

Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

4 files changed, 9 insertions, 9 deletions

diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c
index d9b02ff66259..09903ffb13ba 100644
--- a/drivers/staging/media/bcm2048/radio-bcm2048.c
+++ b/drivers/staging/media/bcm2048/radio-bcm2048.c
@@ -2404,7 +2404,7 @@ static int bcm2048_vidioc_g_audio(struct file *file, void *priv,
 	if (audio->index > 1)
 		return -EINVAL;
 
-	strncpy(audio->name, "Radio", 32);
+	strscpy(audio->name, "Radio", sizeof(audio->name));
 	audio->capability = V4L2_AUDCAP_STEREO;
 
 	return 0;
@@ -2432,7 +2432,7 @@ static int bcm2048_vidioc_g_tuner(struct file *file, void *priv,
 	if (tuner->index > 0)
 		return -EINVAL;
 
-	strncpy(tuner->name, "FM Receiver", 32);
+	strscpy(tuner->name, "FM Receiver", sizeof(tuner->name));
 	tuner->type = V4L2_TUNER_RADIO;
 	tuner->rangelow =
 		dev_to_v4l2(bcm2048_get_region_bottom_frequency(bdev));
diff --git a/drivers/staging/media/imx/imx-ic-common.c b/drivers/staging/media/imx/imx-ic-common.c
index 90a926891eb9..1addb0893c57 100644
--- a/drivers/staging/media/imx/imx-ic-common.c
+++ b/drivers/staging/media/imx/imx-ic-common.c
@@ -63,7 +63,7 @@ static int imx_ic_probe(struct platform_device *pdev)
 	priv->sd.owner = THIS_MODULE;
 	priv->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
 	priv->sd.grp_id = pdata->grp_id;
-	strncpy(priv->sd.name, pdata->sd_name, sizeof(priv->sd.name));
+	strscpy(priv->sd.name, pdata->sd_name, sizeof(priv->sd.name));
 
 	ret = ic_ops[priv->task_id]->init(priv);
 	if (ret)
diff --git a/drivers/staging/media/imx/imx-media-vdic.c b/drivers/staging/media/imx/imx-media-vdic.c
index f8c84a07dad9..5439b88dba20 100644
--- a/drivers/staging/media/imx/imx-media-vdic.c
+++ b/drivers/staging/media/imx/imx-media-vdic.c
@@ -964,7 +964,7 @@ static int imx_vdic_probe(struct platform_device *pdev)
 	priv->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
 	/* get our group id */
 	priv->sd.grp_id = pdata->grp_id;
-	strncpy(priv->sd.name, pdata->sd_name, sizeof(priv->sd.name));
+	strscpy(priv->sd.name, pdata->sd_name, sizeof(priv->sd.name));
 
 	mutex_init(&priv->lock);
 
diff --git a/drivers/staging/media/zoran/zoran_driver.c b/drivers/staging/media/zoran/zoran_driver.c
index 04f88f9d6bb4..c998aa4dc73b 100644
--- a/drivers/staging/media/zoran/zoran_driver.c
+++ b/drivers/staging/media/zoran/zoran_driver.c
@@ -1526,8 +1526,8 @@ static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
 
 	for (num = i = 0; i < NUM_FORMATS; i++) {
 		if (zoran_formats[i].flags & flag && num++ == fmt->index) {
-			strncpy(fmt->description, zoran_formats[i].name,
-				sizeof(fmt->description) - 1);
+			strscpy(fmt->description, zoran_formats[i].name,
+				sizeof(fmt->description));
 			/* fmt struct pre-zeroed, so adding '\0' not needed */
 			fmt->pixelformat = zoran_formats[i].fourcc;
 			if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
@@ -2301,8 +2301,8 @@ static int zoran_enum_input(struct file *file, void *__fh,
 	if (inp->index >= zr->card.inputs)
 		return -EINVAL;
 
-	strncpy(inp->name, zr->card.input[inp->index].name,
-		sizeof(inp->name) - 1);
+	strscpy(inp->name, zr->card.input[inp->index].name,
+		sizeof(inp->name));
 	inp->type = V4L2_INPUT_TYPE_CAMERA;
 	inp->std = V4L2_STD_ALL;
 
@@ -2344,7 +2344,7 @@ static int zoran_enum_output(struct file *file, void *__fh,
 
 	outp->index = 0;
 	outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY;
-	strncpy(outp->name, "Autodetect", sizeof(outp->name)-1);
+	strscpy(outp->name, "Autodetect", sizeof(outp->name));
 
 	return 0;
 }