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>
git-mirror · Jun 27, 2006 · 4588677 · 4588677
1 parent eacbe7c
commit 4588677
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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';