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Kernel: Make copy_{from,to}_user() return KResult and use TRY()
This makes EFAULT propagation flow much more naturally. :^)
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parent
9903f5c6ef
commit
48a0b31c47
57 changed files with 318 additions and 551 deletions
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@ -23,9 +23,7 @@ KResultOr<FlatPtr> Process::sys$ttyname(int fd, Userspace<char*> buffer, size_t
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auto tty_name = description->tty()->tty_name();
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if (size < tty_name.length() + 1)
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return ERANGE;
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if (!copy_to_user(buffer, tty_name.characters(), tty_name.length() + 1))
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return EFAULT;
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return 0;
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return copy_to_user(buffer, tty_name.characters(), tty_name.length() + 1);
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}
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KResultOr<FlatPtr> Process::sys$ptsname(int fd, Userspace<char*> buffer, size_t size)
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@ -41,9 +39,7 @@ KResultOr<FlatPtr> Process::sys$ptsname(int fd, Userspace<char*> buffer, size_t
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auto pts_name = master_pty->pts_name();
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if (size < pts_name.length() + 1)
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return ERANGE;
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if (!copy_to_user(buffer, pts_name.characters(), pts_name.length() + 1))
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return EFAULT;
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return 0;
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return copy_to_user(buffer, pts_name.characters(), pts_name.length() + 1);
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}
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}
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