s390/pci: fix possible information leak in mmio syscall

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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>

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Sebastian Ott 2015-02-25 13:17:48 +01:00 • committed by Martin Schwidefsky

parent 3a9f9183bd

commit f0483044c1

1 changed files with 8 additions and 9 deletions

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arch/s390/pci/pci_mmio.c

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