1 files changed, 7 insertions, 3 deletions

diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index b04897cd995d..f6e64026f995 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -117,6 +117,8 @@ static int do_aio(aio_context_t ctx, struct aio_context *aio)
         err = io_submit(ctx, 1, &iocbp);
         if(err > 0)
                 err = 0;
+        else
+                err = -errno;
 
  out:
         return err;
@@ -142,7 +144,8 @@ static int aio_thread(void *arg)
                                "errno = %d\n", errno);
                 }
                 else {
-                        aio = (struct aio_context *) event.data;
+                        /* This is safe as we've just a pointer here. */
+                        aio = (struct aio_context *) (long) event.data;
                         if(update_aio(aio, event.res)){
                                 do_aio(ctx, aio);
                                 continue;
@@ -313,15 +316,16 @@ static int init_aio_26(void)
         int err;
 
         if(io_setup(256, &ctx)){
+                err = -errno;
                 printk("aio_thread failed to initialize context, err = %d\n",
                        errno);
-                return -errno;
+                return err;
         }
 
         err = run_helper_thread(aio_thread, NULL,
                                 CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0);
         if(err < 0)
-                return -errno;
+                return err;
 
         aio_pid = err;