[PATCH 3/7] s5p-mfc: fix two sparse warnings

[Hans Verkuil]

From: Hans Verkuil <hans.verk...@cisco.com>

media-git/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c: In function 
'vidioc_querycap':
media-git/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c:1317:2: warning: 
'strncpy' output may be truncated copying 31 bytes from a string of length 31 
[-Wstringop-truncation]
  strncpy(cap->card, dev->vfd_enc->name, sizeof(cap->card) - 1);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
media-git/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c: In function 
'vidioc_querycap':
media-git/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:275:2: warning: 
'strncpy' output may be truncated copying 31 bytes from a string of length 31 
[-Wstringop-truncation]
  strncpy(cap->card, dev->vfd_dec->name, sizeof(cap->card) - 1);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Cc: Sylwester Nawrocki <s.nawro...@samsung.com>
---
 drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 4 ++--
 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c 
b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 5cf4d9921264..6a3cc4f86c5d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -271,8 +271,8 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
        struct s5p_mfc_dev *dev = video_drvdata(file);
 
-       strncpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver) - 1);
-       strncpy(cap->card, dev->vfd_dec->name, sizeof(cap->card) - 1);
+       strlcpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver));
+       strlcpy(cap->card, dev->vfd_dec->name, sizeof(cap->card));
        snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
                 dev_name(&dev->plat_dev->dev));
        /*
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c 
b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 5c0462ca9993..570f391f2cfd 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -1313,8 +1313,8 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
        struct s5p_mfc_dev *dev = video_drvdata(file);
 
-       strncpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver) - 1);
-       strncpy(cap->card, dev->vfd_enc->name, sizeof(cap->card) - 1);
+       strlcpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver));
+       strlcpy(cap->card, dev->vfd_enc->name, sizeof(cap->card));
        snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
                 dev_name(&dev->plat_dev->dev));
        /*
-- 
2.17.0