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authorIngo Molnar <mingo@elte.hu>2011-08-04 09:09:27 +0200
committerIngo Molnar <mingo@elte.hu>2011-08-04 09:09:27 +0200
commitd7619fe39d9769b4d4545cc511c891deea18ae08 (patch)
tree0a902533414001075b2245825e145cc2e35ce985 /arch/s390/kvm/sigp.c
parent9ea71503a8ed9184d2d0b8ccc4d269d05f7940ae (diff)
parented8f37370d83e695c0a4fa5d5fc7a83ecb947526 (diff)
Merge branch 'linus' into core/urgent
Diffstat (limited to 'arch/s390/kvm/sigp.c')
-rw-r--r--arch/s390/kvm/sigp.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 702276f5e2f..d6a50c1fb2e 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -189,10 +189,8 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
/* make sure that the new value is valid memory */
address = address & 0x7fffe000u;
- if ((copy_from_user(&tmp, (void __user *)
- (address + vcpu->arch.sie_block->gmsor) , 1)) ||
- (copy_from_user(&tmp, (void __user *)(address +
- vcpu->arch.sie_block->gmsor + PAGE_SIZE), 1))) {
+ if (copy_from_guest_absolute(vcpu, &tmp, address, 1) ||
+ copy_from_guest_absolute(vcpu, &tmp, address + PAGE_SIZE, 1)) {
*reg |= SIGP_STAT_INVALID_PARAMETER;
return 1; /* invalid parameter */
}