From 2e158d45fe69b16a0d3d2777e474115fa69eb068 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 22 Feb 2016 13:22:35 -0300 Subject: [PATCH] [media] pvrusb2: don't go past buf array That fixes the following smatch warning: drivers/media/usb/pvrusb2/pvrusb2-hdw.c:4909 pvr2_hdw_state_log_state() error: buffer overflow 'buf' 256 <= 4294967294 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/pvrusb2/pvrusb2-hdw.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index 0533ef20decf..1a093e5953fd 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -4903,6 +4903,9 @@ static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw) printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf); } ccnt = pvr2_hdw_report_clients(hdw, buf, sizeof(buf)); + if (ccnt >= sizeof(buf)) + ccnt = sizeof(buf); + ucnt = 0; while (ucnt < ccnt) { lcnt = 0; -- 2.20.1