[media] export em28xx_release_resources() symbol

As reported by the kbuild test robot:

All error/warnings:

>> ERROR: "em28xx_release_resources" [drivers/media/usb/em28xx/em28xx-v4l.ko] undefined!

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 84167f06ff97029b5732c9af9876e312c356ebf5..39cf49c44e10260a38226ef22b41020d533b8861 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -2839,6 +2839,7 @@ void em28xx_release_resources(struct em28xx *dev)
        /* Mark device as unused */
        clear_bit(dev->devno, &em28xx_devused);
 };
+EXPORT_SYMBOL_GPL(em28xx_release_resources);
 
 /*
  * em28xx_init_dev()