linux-kernel - [PATCH 02/13] arm: ptrace: user_regset_copyin

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Message-ID: <20221014212235.10770-3-s.shtylyov@omp.ru>
Date:   Sat, 15 Oct 2022 00:22:24 +0300
From:   Sergey Shtylyov <s.shtylyov@....ru>
To:     Oleg Nesterov <oleg@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 02/13] arm: ptrace: user_regset_copyin_ignore() always returns 0

user_regset_copyin_ignore() always returns 0, so checking its result seems
pointless -- don't do this anymore...

Signed-off-by: Sergey Shtylyov <s.shtylyov@....ru>
---
 arch/arm/kernel/ptrace.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index bfe88c6e60d5..2d8e2516906b 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -651,11 +651,9 @@ static int vfp_set(struct task_struct *target,
 	if (ret)
 		return ret;
 
-	ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-				user_fpregs_offset + sizeof(new_vfp.fpregs),
-				user_fpscr_offset);
-	if (ret)
-		return ret;
+	user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+				  user_fpregs_offset + sizeof(new_vfp.fpregs),
+				  user_fpscr_offset);
 
 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
 				 &new_vfp.fpscr,
-- 
2.26.3