show() should not use snprintf() when formatting the value to be
returned to user space.

Fix the following coccicheck warning:
drivers/media/i2c/ccs/ccs-core.c:3761: WARNING: use scnprintf or 
sprintf.

./drivers/bus/fsl-mc/fsl-mc-bus.c:204:8-16: WARNING: use scnprintf or 
sprintf

Signed-off-by: ztt <1549089851@qq.com>
---
  drivers/bus/fsl-mc/fsl-mc-bus.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c 
b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 4352745a923c..c28bde570cb1 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -201,7 +201,7 @@ static ssize_t driver_override_show(struct device 
*dev,
  {
      struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);

-    return snprintf(buf, PAGE_SIZE, "%s\n", mc_dev->driver_override);
+    return scnprintf(buf, PAGE_SIZE, "%s\n", mc_dev->driver_override);
  }
  static DEVICE_ATTR_RW(driver_override);