[PATCH] KVM: s390: Fix handle_sske page fault handling

[Janis Schoetterl-Glausch]

Retry if fixup_user_fault succeeds.
The same issue in handle_pfmf was fixed by
a11bdb1a6b78 (KVM: s390: Fix pfmf and conditional skey emulation).

Fixes: bd096f644319 ("KVM: s390: Add skey emulation fault handling")
Signed-off-by: Janis Schoetterl-Glausch <scgl@xxxxxxxxxxxxx>
---
 arch/s390/kvm/priv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 53da4ceb16a3..417154b314a6 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -397,6 +397,8 @@ static int handle_sske(struct kvm_vcpu *vcpu)
 		mmap_read_unlock(current->mm);
 		if (rc == -EFAULT)
 			return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+		if (rc == -EAGAIN)
+			continue;
 		if (rc < 0)
 			return rc;
 		start += PAGE_SIZE;
-- 
2.25.1