V4L/DVB (9668): em28xx: fix a race condition with hald

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Newer versions of hald tries to open it to call QUERYCAP.

Due to the lack of a proper locking, it is possible to open the device
before it finishes initialization.

This patch adds a lock to avoid this risk, and to protect the list of
em28xx devices.

While here, remove the uneeded BKL lock.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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This commit is contained in:

Mauro Carvalho Chehab 2008-11-20 10:30:26 -03:00

parent cce257109f

commit 818a557eeb

1 changed files with 75 additions and 53 deletions

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128

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

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