Browse Source

[media] radio: NUL terminate a user string

We pass this to fm_tx_set_radio_text() which expects a NUL terminated
string.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Dan Carpenter 13 years ago
parent
commit
75c1ca364d
1 changed files with 1 additions and 0 deletions
  1. 1 0
      drivers/media/radio/wl128x/fmdrv_v4l2.c

+ 1 - 0
drivers/media/radio/wl128x/fmdrv_v4l2.c

@@ -84,6 +84,7 @@ static ssize_t fm_v4l2_fops_write(struct file *file, const char __user * buf,
 	struct fmdev *fmdev;
 
 	ret = copy_from_user(&rds, buf, sizeof(rds));
+	rds.text[sizeof(rds.text) - 1] = '\0';
 	fmdbg("(%d)type: %d, text %s, af %d\n",
 		   ret, rds.text_type, rds.text, rds.af_freq);
 	if (ret)