memrar: Address kernel oops during resource cleanup

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Some delayed initialization is performed in this driver.  Make sure
resources that are used during driver clean-up (e.g. during driver's
release() function) are fully initialized before first use.  This is
particularly important for the case when the delayed initialization
isn't completed, leaving behind a partially initialized driver.

Such a scenario can occur when RAR is not available on the platform,
and the driver is release()d.

Signed-off-by: Ossama Othman <ossama.othman@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Ossama Othman 2010-07-19 09:32:26 +01:00 • committed by Greg Kroah-Hartman

parent 4cae2597f5

commit 05e2408d43

1 changed files with 19 additions and 9 deletions

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drivers/staging/memrar/memrar_handler.c

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