media: rcar_drif: use explicit name for bus_info

Fixes this compiler warning:

drivers/media/platform/renesas/rcar_drif.c: In function 'rcar_drif_querycap':
drivers/media/platform/renesas/rcar_drif.c:874:66: warning: '%s' directive output may be truncated writing up to 63 bytes into a region of size 23 [-Wformat-truncation=]
  874 |         snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
      |                                                                  ^~
drivers/media/platform/renesas/rcar_drif.c:874:9: note: 'snprintf' output between 10 and 73 bytes into a destination of size 32
  874 |         snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  875 |                  sdr->vdev->name);
      |                  ~~~~~~~~~~~~~~~~

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/platform/renesas/rcar_drif.c b/drivers/media/platform/renesas/rcar_drif.c
index 163a4ba61c1735f459bba959c10828dc9e02db69..292c5bf9e50c3b2f165b5d824e99347abaaaf1ac 100644 (file)
--- a/drivers/media/platform/renesas/rcar_drif.c
+++ b/drivers/media/platform/renesas/rcar_drif.c
@@ -871,8 +871,7 @@ static int rcar_drif_querycap(struct file *file, void *fh,
 
        strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
        strscpy(cap->card, sdr->vdev->name, sizeof(cap->card));
-       snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
-                sdr->vdev->name);
+       strscpy(cap->bus_info, "platform:R-Car DRIF", sizeof(cap->bus_info));
 
        return 0;
 }