[linuxtv-media:master 498/499] drivers/media/usb/em28xx/em28xx-cards.c:69:1: sparse: symbol 'em28xx_devused' was not declared. Should it be static?

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

tree:   git://linuxtv.org/media_tree.git master
head:   587d1b06e07b4a079453c74ba9edf17d21931049
commit: c3aed262186841bf01feb9603885671ea567ebd9 [498/499] [media] em28xx-cards: properly initialize the device bitmap
reproduce: make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/media/usb/em28xx/em28xx-cards.c:69:1: sparse: symbol 'em28xx_devused' was not declared. Should it be static?
   drivers/media/usb/em28xx/em28xx-cards.c:2163:36: sparse: cannot size expression

Please consider folding the attached diff :-)

---
0-DAY kernel build testing backend              Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation

From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Subject: [PATCH linuxtv-media] em28xx-cards: em28xx_devused can be static
TO: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
CC: linux-media@xxxxxxxxxxxxxxx
CC: linux-media@xxxxxxxxxxxxxxx 
CC: linux-kernel@xxxxxxxxxxxxxxx 

CC: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
CC: linux-media@xxxxxxxxxxxxxxx
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 em28xx-cards.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 4d97a76..eb39903 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -66,7 +66,7 @@ MODULE_PARM_DESC(usb_xfer_mode,
 
 
 /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS - 1 */
-DECLARE_BITMAP(em28xx_devused, EM28XX_MAXBOARDS);
+static DECLARE_BITMAP(em28xx_devused, EM28XX_MAXBOARDS);
 
 struct em28xx_hash_table {
 	unsigned long hash;