diff --git a/kernel/ipc/pipe/pipe.c b/kernel/ipc/pipe/pipe.c
index 0392540..ab19bca 100644
--- a/kernel/ipc/pipe/pipe.c
+++ b/kernel/ipc/pipe/pipe.c
@@ -33,7 +33,9 @@ int32_t ipc_pipewrite(IpcPipe *pipe, const uint8_t *const buffer, size_t n) {
   size_t i = 0;
   spinlock_acquire(&pipe->spinlock);
   for (; i < n; i++) {
-    rbuf_push(&pipe->rbuf, buffer[i]);
+    if (rbuf_push(&pipe->rbuf, buffer[i]) < 0) {
+      break;
+    }
   }
   spinlock_release(&pipe->spinlock);
   return i;