From: Dan Carpenter Date: Wed, 23 Nov 2011 05:45:40 +0000 (-0300) Subject: [media] radio: NUL terminate a user string X-Git-Tag: firefly_0821_release~3680^2~2904^2~585 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=75c1ca364d0d5d70ad12c5dac40bbe6598624cab;p=firefly-linux-kernel-4.4.55.git [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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c index 4f5c43d2566c..077d369a0173 100644 --- a/drivers/media/radio/wl128x/fmdrv_v4l2.c +++ b/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)