The patch titled
Subject: powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix
has been added to the -mm mm-nonmm-unstable branch. Its filename is
powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix
Date: Mon Oct 17 02:33:53 PM PDT 2022
fix gpr32_set_common()
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Sergey Shtylyov <s.shtylyov@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/ptrace/ptrace-view.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/arch/powerpc/kernel/ptrace/ptrace-view.c~powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix
+++ a/arch/powerpc/kernel/ptrace/ptrace-view.c
@@ -706,8 +706,9 @@ int gpr32_set_common(struct task_struct
ubuf = u;
pos *= sizeof(reg);
count *= sizeof(reg);
- return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
- (PT_TRAP + 1) * sizeof(reg), -1);
+ user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ (PT_TRAP + 1) * sizeof(reg), -1);
+ return 0;
Efault:
user_read_access_end();
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-hugetlb-convert-free_huge_page-to-folios-fix.patch
powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix.patch
