tree 796dbcd919384e53c5bab81ccd14e6aed6b4a663
parent 3a9f9183bdd341a25c7805d96bbd78a31d559381
author Sebastian Ott <sebott@linux.vnet.ibm.com> 1424866668 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1424939088 +0100

s390/pci: fix possible information leak in mmio syscall

Make sure that even in error situations we do not use copy_to_user
on uninitialized kernel memory.

Cc: stable@vger.kernel.org # 3.19+
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>