Staging: udlfb: Rework startup and teardown to fix race conditions

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Rework probe to use refcounts and std functions

Because the different parts of the driver (usb, fbdev) tear down
in different orders, the driver previously could crash accessing
data that had already been freed.  Refcounting system used to handle.

Reworked probe to make use of refcounts, set mode using std fbops,
and set up sysfs and pre-allocated urbs.

Signed-off-by: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Bernie Thompson 2010-02-15 06:46:13 -08:00 • committed by Greg Kroah-Hartman

parent 7d9485e2c5

commit 2469d5dbca

2 changed files with 198 additions and 109 deletions

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308

drivers/staging/udlfb/udlfb.c

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3

drivers/staging/udlfb/udlfb.h

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