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Kernel: Make Process::FileDescriptions::allocate return KResultOr<int>

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Modernize more error checking by utilizing KResultOr.
This commit is contained in:
Brian Gianforcaro 2021-07-27 02:12:51 -07:00 • committed by Andreas Kling
parent d2cee9cbf6
commit ba03b6ad02
10 changed files with 48 additions and 37 deletions
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7
Kernel/Syscalls/fcntl.cpp
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@ -25,9 +25,10 @@ KResultOr<FlatPtr> Process::sys$fcntl(int fd, int cmd, u32 arg)
int arg_fd = (int)arg;
if (arg_fd < 0)
return EINVAL;
int new_fd = fds().allocate(arg_fd);
if (new_fd < 0)
return new_fd;
auto new_fd_or_error = fds().allocate(arg_fd);
if (new_fd_or_error.is_error())
return new_fd_or_error.error();
auto new_fd = new_fd_or_error.value();
m_fds[new_fd].set(*description);
return new_fd;
}