From 5336ee440e65d711225a3d107f9bfa3ff219b3b7 Mon Sep 17 00:00:00 2001 From: Fabiano Rosas Date: Tue, 5 Jul 2022 17:46:48 +0800 Subject: [PATCH] KVM: PPC: Book3S HV: Check return value of kvmppc_radix_init stable inclusion from stable-v5.10.110 commit c18b538617967581087fb946a556db42949b3ac4 bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c18b538617967581087fb946a556db42949b3ac4 -------------------------------- [ Upstream commit 69ab6ac380a00244575de02c406dcb9491bf3368 ] The return of the function is being shadowed by the call to kvmppc_uvmem_init. Fixes: ca9f4942670c ("KVM: PPC: Book3S HV: Support for running secure guests") Signed-off-by: Fabiano Rosas Reviewed-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220125155735.1018683-2-farosas@linux.ibm.com Signed-off-by: Sasha Levin Signed-off-by: Yu Liao Reviewed-by: Wei Li Signed-off-by: Zheng Zengkai --- arch/powerpc/kvm/book3s_hv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 527c205d5a5f..38b7a3491aac 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -5752,8 +5752,11 @@ static int kvmppc_book3s_init_hv(void) if (r) return r; - if (kvmppc_radix_possible()) + if (kvmppc_radix_possible()) { r = kvmppc_radix_init(); + if (r) + return r; + } /* * POWER9 chips before version 2.02 can't have some threads in -- GitLab