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Kernel: Make all syscall functions return KResultOr<T>

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This makes it a lot easier to return errors since we no longer have to
worry about negating EFOO errors and can just return them flat.
This commit is contained in:
Andreas Kling 2021-03-01 13:49:16 +01:00
parent 9af1e1a3bf
commit ac71775de5
70 changed files with 747 additions and 742 deletions
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8
Kernel/Syscalls/chown.cpp
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@ -29,21 +29,21 @@
namespace Kernel {
int Process::sys$fchown(int fd, uid_t uid, gid_t gid)
KResultOr<int> Process::sys$fchown(int fd, uid_t uid, gid_t gid)
{
REQUIRE_PROMISE(chown);
auto description = file_description(fd);
if (!description)
return -EBADF;
return EBADF;
return description->chown(uid, gid);
}
int Process::sys$chown(Userspace<const Syscall::SC_chown_params*> user_params)
KResultOr<int> Process::sys$chown(Userspace<const Syscall::SC_chown_params*> user_params)
{
REQUIRE_PROMISE(chown);
Syscall::SC_chown_params params;
if (!copy_from_user(&params, user_params))
return -EFAULT;
return EFAULT;
auto path = get_syscall_path_argument(params.path);
if (path.is_error())
return path.error();