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
Before accessing the device data structure in hardware handlers, make sure it is a indeed a sdev device. Yinghai Lu <yhlu.kernel@gmail.com> found the bug on Jul 16, 2008, and later tested/verified the following fix. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>