[ZESTY] [PATCH 28/33] KVM: PPC: Book 3S: Fix error return in kvm_vm_ioctl_create_spapr_tce()

[Breno Leitao]

From: Wei Yongjun <weiyongjun1 at huawei.com>

BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1675806

Fix to return error code -ENOMEM from the memory alloc error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
Signed-off-by: Paul Mackerras <paulus at ozlabs.org>
(cherry picked from commit 5982f0849e08fe4e4e7df5e345c4539ce9780b1b)
Signed-off-by: Breno Leitao <breno.leitao at gmail.com>
---
 arch/powerpc/kvm/book3s_64_vio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index c379ff5a4438..491c5d8120f7 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -171,6 +171,7 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
 		goto fail;
 	}
 
+	ret = -ENOMEM;
 	stt = kzalloc(sizeof(*stt) + npages * sizeof(struct page *),
 		      GFP_KERNEL);
 	if (!stt)
-- 
2.11.0