[media] em28xx: use atomic bit operations for devices-in-use mask

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Use atomic bit operations for the em28xx_devused mask, to prevent an
unlikely race condition should two adapters be plugged in
simultaneously. The operations also clearer than explicit bit
manipulation anyway.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Chris Rankin 2011-08-20 08:21:03 -03:00 • committed by Mauro Carvalho Chehab

parent f38f333952

commit 38b61eb2da

1 changed files with 16 additions and 17 deletions

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33

drivers/media/video/em28xx/em28xx-cards.c

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