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Kernel: Use TRY() in sys$stat()

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This commit is contained in:
Andreas Kling 2021-09-05 17:58:08 +02:00
parent de2c1bc5c3
commit 7efa742a39
Notes: sideshowbarker 2024-07-18 04:41:31 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/7efa742a39e
1 changed files with 5 additions and 10 deletions
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15
Kernel/Syscalls/stat.cpp
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@ -29,9 +29,8 @@ KResultOr<FlatPtr> Process::sys$stat(Userspace<const Syscall::SC_stat_params*> u
REQUIRE_PROMISE(rpath);
auto params = TRY(copy_typed_from_user(user_params));
auto path = get_syscall_path_argument(params.path);
if (path.is_error())
return path.error();
auto path = TRY(get_syscall_path_argument(params.path));
RefPtr<Custody> base;
if (params.dirfd == AT_FDCWD) {
base = current_directory();
@ -45,13 +44,9 @@ KResultOr<FlatPtr> Process::sys$stat(Userspace<const Syscall::SC_stat_params*> u
return EINVAL;
base = base_description->custody();
}
auto metadata_or_error = VirtualFileSystem::the().lookup_metadata(path.value()->view(), *base, params.follow_symlinks ? 0 : O_NOFOLLOW_NOERROR);
if (metadata_or_error.is_error())
return metadata_or_error.error();
stat statbuf;
auto result = metadata_or_error.value().stat(statbuf);
if (result.is_error())
return result;
auto metadata = TRY(VirtualFileSystem::the().lookup_metadata(path->view(), *base, params.follow_symlinks ? 0 : O_NOFOLLOW_NOERROR));
stat statbuf = {};
TRY(metadata.stat(statbuf));
return copy_to_user(params.statbuf, &statbuf);
}