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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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57 changed files with 318 additions and 551 deletions
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@ -14,8 +14,7 @@ KResultOr<FlatPtr> Process::sys$ftruncate(int fd, Userspace<off_t*> userspace_le
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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off_t length;
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if (!copy_from_user(&length, userspace_length))
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return EFAULT;
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TRY(copy_from_user(&length, userspace_length));
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if (length < 0)
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return EINVAL;
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auto description = fds().file_description(fd);
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