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 c756b98..b999d4e 100644 (file)
--- 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';