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authorDan Williams <[email protected]>2009-09-08 17:55:54 -0700
committerDan Williams <[email protected]>2009-09-08 17:55:54 -0700
commit9134d02bc0af4a8747d448d1f811ec5f8eb96df6 (patch)
tree704c3e5dcc10f360815c4868a74711f82fb62e27 /arch/s390/kvm/sigp.c
parentbbb20089a3275a19e475dbc21320c3742e3ca423 (diff)
parent80ffb3cceaefa405f2ecd46d66500ed8d53efe74 (diff)
Merge commit 'md/for-linus' into async-tx-next
Conflicts: drivers/md/raid5.c
Diffstat (limited to 'arch/s390/kvm/sigp.c')
-rw-r--r--arch/s390/kvm/sigp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 36678835034d..0ef81d6776e9 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -169,7 +169,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
unsigned long *reg)
{
struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
- struct kvm_s390_local_interrupt *li;
+ struct kvm_s390_local_interrupt *li = NULL;
struct kvm_s390_interrupt_info *inti;
int rc;
u8 tmp;
@@ -189,9 +189,10 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
return 2; /* busy */
spin_lock(&fi->lock);
- li = fi->local_int[cpu_addr];
+ if (cpu_addr < KVM_MAX_VCPUS)
+ li = fi->local_int[cpu_addr];
- if ((cpu_addr >= KVM_MAX_VCPUS) || (li == NULL)) {
+ if (li == NULL) {
rc = 1; /* incorrect state */
*reg &= SIGP_STAT_INCORRECT_STATE;
kfree(inti);