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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-09-10 08:19:14 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-09-11 13:32:17 -0400
commitc0decac19da3906d9b66291e57b7759489e1170f (patch)
tree0eeb1f7d2c5464e0c87e0c788fd8fb581662c621 /drivers/media/radio/wl128x
parentb730c40813a95ebc35757790a990794f55e2b61c (diff)
downloadlinux-c0decac19da3906d9b66291e57b7759489e1170f.tar.bz2
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>
Diffstat (limited to 'drivers/media/radio/wl128x')
-rw-r--r--drivers/media/radio/wl128x/fmdrv_v4l2.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
index dccdf6558e6a..c5f433b24713 100644
--- a/drivers/media/radio/wl128x/fmdrv_v4l2.c
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c
@@ -190,9 +190,9 @@ release_unlock:
static int fm_v4l2_vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *capability)
{
- strlcpy(capability->driver, FM_DRV_NAME, sizeof(capability->driver));
- strlcpy(capability->card, FM_DRV_CARD_SHORT_NAME,
- sizeof(capability->card));
+ strscpy(capability->driver, FM_DRV_NAME, sizeof(capability->driver));
+ strscpy(capability->card, FM_DRV_CARD_SHORT_NAME,
+ sizeof(capability->card));
sprintf(capability->bus_info, "UART");
capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER |
V4L2_CAP_RADIO | V4L2_CAP_MODULATOR |
@@ -531,7 +531,8 @@ int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr)
struct v4l2_ctrl *ctrl;
int ret;
- strlcpy(fmdev->v4l2_dev.name, FM_DRV_NAME, sizeof(fmdev->v4l2_dev.name));
+ strscpy(fmdev->v4l2_dev.name, FM_DRV_NAME,
+ sizeof(fmdev->v4l2_dev.name));
ret = v4l2_device_register(NULL, &fmdev->v4l2_dev);
if (ret < 0)
return ret;