linux-kernel - [PATCH 5.15 419/913] KVM: PPC: Book3S HV: Check return value of kvmppc_radix

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Message-Id: <20220405070352.406396830@linuxfoundation.org>
Date:   Tue,  5 Apr 2022 09:24:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Fabiano Rosas <farosas@...ux.ibm.com>,
        Nicholas Piggin <npiggin@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 419/913] KVM: PPC: Book3S HV: Check return value of kvmppc_radix_init

From: Fabiano Rosas <farosas@...ux.ibm.com>

[ 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 <farosas@...ux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@...il.com>
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Link: https://lore.kernel.org/r/20220125155735.1018683-2-farosas@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 a2fd1db29f7e..7fa685711669 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -6101,8 +6101,11 @@ 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;
+	}
 
 	r = kvmppc_uvmem_init();
 	if (r < 0)
-- 
2.34.1