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

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-05-15 11:26:08 -04:00
parent a96dacf988
commit b44f384074
1 changed files with 1 additions and 3 deletions
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4
arch/arm64/kernel/ptrace.c
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@ -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) else if (off == COMPAT_PT_TEXT_END_ADDR)
tmp = tsk->mm->end_code; tmp = tsk->mm->end_code;
else if (off < sizeof(compat_elf_gregset_t)) else if (off < sizeof(compat_elf_gregset_t))
return copy_regset_to_user(tsk, &user_aarch32_view, tmp = compat_get_user_reg(tsk, off >> 2);
REGSET_COMPAT_GPR, off,
sizeof(compat_ulong_t), ret);
else if (off >= COMPAT_USER_SZ) else if (off >= COMPAT_USER_SZ)
return -EIO; return -EIO;
else else