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>

5 files changed, 9 insertions, 9 deletions

diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c
index b1036baebb03..960f43fddfc1 100644
--- a/drivers/staging/media/omap4iss/iss.c
+++ b/drivers/staging/media/omap4iss/iss.c
@@ -989,7 +989,7 @@ static int iss_register_entities(struct iss_device *iss)
 	int ret;
 
 	iss->media_dev.dev = iss->dev;
-	strlcpy(iss->media_dev.model, "TI OMAP4 ISS",
+	strscpy(iss->media_dev.model, "TI OMAP4 ISS",
 		sizeof(iss->media_dev.model));
 	iss->media_dev.hw_revision = iss->revision;
 	iss->media_dev.ops = &iss_media_ops;
diff --git a/drivers/staging/media/omap4iss/iss_ipipe.c b/drivers/staging/media/omap4iss/iss_ipipe.c
index d86ef8a031f2..caf4fab5a229 100644
--- a/drivers/staging/media/omap4iss/iss_ipipe.c
+++ b/drivers/staging/media/omap4iss/iss_ipipe.c
@@ -507,7 +507,7 @@ static int ipipe_init_entities(struct iss_ipipe_device *ipipe)
 
 	v4l2_subdev_init(sd, &ipipe_v4l2_ops);
 	sd->internal_ops = &ipipe_v4l2_internal_ops;
-	strlcpy(sd->name, "OMAP4 ISS ISP IPIPE", sizeof(sd->name));
+	strscpy(sd->name, "OMAP4 ISS ISP IPIPE", sizeof(sd->name));
 	sd->grp_id = BIT(16);	/* group ID for iss subdevs */
 	v4l2_set_subdevdata(sd, ipipe);
 	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
diff --git a/drivers/staging/media/omap4iss/iss_ipipeif.c b/drivers/staging/media/omap4iss/iss_ipipeif.c
index cb88b2bd0d82..5f33506fb1b9 100644
--- a/drivers/staging/media/omap4iss/iss_ipipeif.c
+++ b/drivers/staging/media/omap4iss/iss_ipipeif.c
@@ -738,7 +738,7 @@ static int ipipeif_init_entities(struct iss_ipipeif_device *ipipeif)
 
 	v4l2_subdev_init(sd, &ipipeif_v4l2_ops);
 	sd->internal_ops = &ipipeif_v4l2_internal_ops;
-	strlcpy(sd->name, "OMAP4 ISS ISP IPIPEIF", sizeof(sd->name));
+	strscpy(sd->name, "OMAP4 ISS ISP IPIPEIF", sizeof(sd->name));
 	sd->grp_id = BIT(16);	/* group ID for iss subdevs */
 	v4l2_set_subdevdata(sd, ipipeif);
 	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
diff --git a/drivers/staging/media/omap4iss/iss_resizer.c b/drivers/staging/media/omap4iss/iss_resizer.c
index 4bbfa20b3c38..27f0d7168e50 100644
--- a/drivers/staging/media/omap4iss/iss_resizer.c
+++ b/drivers/staging/media/omap4iss/iss_resizer.c
@@ -781,7 +781,7 @@ static int resizer_init_entities(struct iss_resizer_device *resizer)
 
 	v4l2_subdev_init(sd, &resizer_v4l2_ops);
 	sd->internal_ops = &resizer_v4l2_internal_ops;
-	strlcpy(sd->name, "OMAP4 ISS ISP resizer", sizeof(sd->name));
+	strscpy(sd->name, "OMAP4 ISS ISP resizer", sizeof(sd->name));
 	sd->grp_id = BIT(16);	/* group ID for iss subdevs */
 	v4l2_set_subdevdata(sd, resizer);
 	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index 16478fe9e3f8..124f304907b6 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -534,9 +534,9 @@ iss_video_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 {
 	struct iss_video *video = video_drvdata(file);
 
-	strlcpy(cap->driver, ISS_VIDEO_DRIVER_NAME, sizeof(cap->driver));
-	strlcpy(cap->card, video->video.name, sizeof(cap->card));
-	strlcpy(cap->bus_info, "media", sizeof(cap->bus_info));
+	strscpy(cap->driver, ISS_VIDEO_DRIVER_NAME, sizeof(cap->driver));
+	strscpy(cap->card, video->video.name, sizeof(cap->card));
+	strscpy(cap->bus_info, "media", sizeof(cap->bus_info));
 
 	if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
@@ -573,7 +573,7 @@ iss_video_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 
 		if (index == 0) {
 			f->pixelformat = info->pixelformat;
-			strlcpy(f->description, info->description,
+			strscpy(f->description, info->description,
 				sizeof(f->description));
 			return 0;
 		}
@@ -1053,7 +1053,7 @@ iss_video_enum_input(struct file *file, void *fh, struct v4l2_input *input)
 	if (input->index > 0)
 		return -EINVAL;
 
-	strlcpy(input->name, "camera", sizeof(input->name));
+	strscpy(input->name, "camera", sizeof(input->name));
 	input->type = V4L2_INPUT_TYPE_CAMERA;
 
 	return 0;