Commit f7ab71f1 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Claudio Imbrenda
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KVM: s390: Add explicit padding to struct kvm_s390_keyop 



The newly added structure causes a warning about implied padding:

./usr/include/linux/kvm.h:1247:1: error: padding struct size to alignment boundary with 6 bytes [-Werror=padded]

The padding can lead to leaking kernel data and ABI incompatibilies
when used on x86. Neither of these is a problem in this specific
patch, but it's best to avoid it and use explicit padding fields
in general.

Fixes: 0ee4ddc1 ("KVM: s390: Storage key manipulation IOCTL")
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
parent 52940a34

include/uapi/linux/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -1227,6 +1227,7 @@ struct kvm_s390_keyop { 
	__u64 guest_addr;

	__u8  key;

	__u8  operation;

	__u8  pad[6];

};



/*