Kernel: Make DoubleBuffer::try() return KResultOr

This tidies up error propagation in a number of places.

1 files changed, 4 insertions, 4 deletions

diff --git a/Kernel/FileSystem/FIFO.cpp b/Kernel/FileSystem/FIFO.cpp
index a9cfd1e7fa..42c76c33ab 100644
--- a/Kernel/FileSystem/FIFO.cpp
+++ b/Kernel/FileSystem/FIFO.cpp
@@ -18,10 +18,10 @@ static Atomic<int> s_next_fifo_id = 1;
 
 RefPtr<FIFO> FIFO::try_create(UserID uid)
 {
-    auto buffer = DoubleBuffer::try_create();
-    if (buffer)
-        return adopt_ref_if_nonnull(new (nothrow) FIFO(uid, buffer.release_nonnull()));
-    return {};
+    auto buffer_or_error = DoubleBuffer::try_create();
+    if (buffer_or_error.is_error())
+        return {};
+    return adopt_ref_if_nonnull(new (nothrow) FIFO(uid, buffer_or_error.release_value()));
 }
 
 KResultOr<NonnullRefPtr<OpenFileDescription>> FIFO::open_direction(FIFO::Direction direction)