V4L/DVB (5076): Cpia.c: buffer overflow
If assigned minor is 10 or greater, terminator will be put beyound the end.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c
index 735a52a..78c9699 100644
--- a/drivers/media/video/cpia.c
+++ b/drivers/media/video/cpia.c
@@ -1350,13 +1350,13 @@
static void create_proc_cpia_cam(struct cam_data *cam)
{
- char name[7];
+ char name[5 + 1 + 10 + 1];
struct proc_dir_entry *ent;
if (!cpia_proc_root || !cam)
return;
- sprintf(name, "video%d", cam->vdev.minor);
+ snprintf(name, sizeof(name), "video%d", cam->vdev.minor);
ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root);
if (!ent)
@@ -1376,12 +1376,12 @@
static void destroy_proc_cpia_cam(struct cam_data *cam)
{
- char name[7];
+ char name[5 + 1 + 10 + 1];
if (!cam || !cam->proc_entry)
return;
- sprintf(name, "video%d", cam->vdev.minor);
+ snprintf(name, sizeof(name), "video%d", cam->vdev.minor);
remove_proc_entry(name, cpia_proc_root);
cam->proc_entry = NULL;
}