From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Mon, 17 Jul 2023 17:55:05 +0000 (+0200)
Subject: arm64/ptrace: Clean up error handling path in sve_set_common()
X-Git-Tag: v6.4.16~612
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbce5b478c0a22986d03fc737a36054b8581ad58;p=thirdparty%2Fkernel%2Fstable.git

arm64/ptrace: Clean up error handling path in sve_set_common()

[ Upstream commit 5f69ca4229c7d8e23f238174827ee7aa49b0bcb2 ]

All error handling paths go to 'out', except this one. Be consistent and
also branch to 'out' here.

Fixes: e12310a0d30f ("arm64/sme: Implement ptrace support for streaming mode SVE registers")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/aa61301ed2dfd079b74b37f7fede5f179ac3087a.1689616473.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 187aa2b175b4f..20d7ef82de90a 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -891,7 +891,8 @@ static int sve_set_common(struct task_struct *target,
 			break;
 		default:
 			WARN_ON_ONCE(1);
-			return -EINVAL;
+			ret = -EINVAL;
+			goto out;
 		}
 
 		/*