drivers/video: fsl-diu-fb: fix potential memcpy buffer overflow bug

It makes no sense to limit the size of a strncpy() to the length of
the source string.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 19bfbf5bb980..3776949d6183 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -655,7 +655,7 @@ static void set_fix(struct fb_info *info)
         struct fb_var_screeninfo *var = &info->var;
         struct mfb_info *mfbi = info->par;
 
-        strncpy(fix->id, mfbi->id, strlen(mfbi->id));
+        strncpy(fix->id, mfbi->id, sizeof(fix->id));
         fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
         fix->type = FB_TYPE_PACKED_PIXELS;
         fix->accel = FB_ACCEL_NONE;