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xen/pciback: Check dev_data before using it
authorRoss Lagerwall <ross.lagerwall@citrix.com>
Fri, 14 Dec 2018 12:55:45 +0000 (12:55 +0000)
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>
Mon, 17 Dec 2018 15:29:50 +0000 (10:29 -0500)
commit691e9c6e4dedb9976b82657ae65d61e6b5c2742e
tree623ecc6144a0983d5a7d0bc13f1abfa14207e819tree | snapshot
parent93989e5be73784135fc339a61c78080a5b82b17acommit | diff
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: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
drivers/xen/xen-pciback/pci_stub.c diff | blob | history
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