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kvm: x86: i8259: return initialized data on invalid-size read
authorPetr Matousek <pmatouse@redhat.com>
Wed, 11 Mar 2015 11:16:09 +0000 (12:16 +0100)
committerMarcelo Tosatti <mtosatti@redhat.com>
Fri, 13 Mar 2015 01:02:46 +0000 (22:02 -0300)
commitc1a6bff28cbff796bf6e7db5cf42ec9244911be2
tree09dd8804b784217ec2fd387bbe2ecf230c6b837e
parentdc9be0fac70a2ad86e31a81372bb0bdfb6945353
kvm: x86: i8259: return initialized data on invalid-size read

If data is read from PIC with invalid access size, the return data stays
uninitialized even though success is returned.

Fix this by always initializing the data.

Signed-off-by: Petr Matousek <pmatouse@redhat.com>
Reported-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
arch/x86/kvm/i8259.c