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Commit 1669907e authored by Ross Lagerwall's avatar Ross Lagerwall Committed by Boris Ostrovsky
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xen/pciback: Check dev_data before using it 



If pcistub_init_device fails, the release function will be called with
dev_data set to NULL.  Check it before using it to avoid a NULL pointer
dereference.

Signed-off-by: default avatarRoss Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
parent bf9445a3
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