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Subject[PATCH 15/41] arm64: get rid of copy_regset_to_user() in compat_ptrace_read_user()
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/arm64/kernel/ptrace.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 5b837741ab76..d5f3da5197a1 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1541,9 +1541,7 @@ static int compat_ptrace_read_user(struct task_struct *tsk, compat_ulong_t off,
else if (off == COMPAT_PT_TEXT_END_ADDR)
tmp = tsk->mm->end_code;
else if (off < sizeof(compat_elf_gregset_t))
- return copy_regset_to_user(tsk, &user_aarch32_view,
- REGSET_COMPAT_GPR, off,
- sizeof(compat_ulong_t), ret);
+ tmp = compat_get_user_reg(tsk, off >> 2);
else if (off >= COMPAT_USER_SZ)
return -EIO;
else
--
2.11.0
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