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(parent: 68cd62e) | patch
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)
commitc495592b28a7daf4ec79d5212a2a3095b4303770
tree09dd8804b784217ec2fd387bbe2ecf230c6b837etree | snapshot
parent68cd62e2c69cc6fd163eb03a098cd7860dbec9fdcommit | diff
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 diff | blob | history
Linux Kernel Source Tree.