From: Mike Isely <isely@pobox.com>
Date: Sun, 25 Jun 2006 23:04:13 +0000 (-0300)
Subject: V4L/DVB (4233): Don't print empty enum values in pvrusb2-sysfs.c
X-Git-Tag: firefly_0821_release~34854^2~21
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4588677121d894ec989e938129da4ae02d332b6c;p=firefly-linux-kernel-4.4.55.git

V4L/DVB (4233): Don't print empty enum values in pvrusb2-sysfs.c

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
index c756b9845056..b999d4eaefff 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
@@ -189,6 +189,7 @@ static ssize_t show_enum(int id,struct class_device *class_dev,char *buf)
 	bcnt = 0;
 	for (val = 0; val < ecnt; val++) {
 		pvr2_ctrl_get_valname(cptr,val,buf+bcnt,PAGE_SIZE-bcnt,&ccnt);
+		if (!ccnt) continue;
 		bcnt += ccnt;
 		if (bcnt >= PAGE_SIZE) break;
 		buf[bcnt] = '\n';