arm64: get rid of copy_regset_to_user() in compat_ptrace_read_user()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 5b837741ab769e715e37bff6dda0638fdc31a699..d5f3da5197a1485442a4a09a98fce49984370e4b 100644 (file)
--- 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