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Date: Sat, 24 Sep 2011 16:00:28 +0100
From: Chris Rankin <rankincj@yahoo.com>
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To: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: linux-media@vger.kernel.org
Subject: [PATCH 1/2] use atomic bit operations for devices-in-use mask
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Signed-off-by: Chris Rankin <rankincj@yahoo.com>

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--- linux/drivers/media/video/em28xx/em28xx-cards.c.orig.0	2011-09-24 15:30:02.000000000 +0100
+++ linux/drivers/media/video/em28xx/em28xx-cards.c	2011-09-24 15:19:28.000000000 +0100
@@ -3114,7 +3114,6 @@
 				em28xx_err(DRIVER_NAME " This is an anciliary "
 					"interface not used by the driver\n");
 
-				em28xx_devused &= ~(1<<nr);
 				retval = -ENODEV;
 				goto err;
 			}

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