Most paranoid changes to assure the state of things

libc/aio/aio_fsync.c

@@ -206,6 +206,7 @@ int aio_fsync(int op, FAR struct aiocb *aiocbp)
   /* The result -EINPROGRESS means that the transfer has not yet completed */
 
   aiocbp->aio_result = -EINPROGRESS;
+  aiocbp->aio_priv   = NULL;
 
   /* Save the ID of the calling, client thread */
 

libc/aio/aio_read.c

@@ -254,6 +254,7 @@ int aio_read(FAR struct aiocb *aiocbp)
   /* The result -EINPROGRESS means that the transfer has not yet completed */
 
   aiocbp->aio_result = -EINPROGRESS;
+  aiocbp->aio_priv   = NULL;
 
   /* Save the ID of the calling, client thread */
 

libc/aio/aio_write.c

@@ -287,6 +287,7 @@ int aio_write(FAR struct aiocb *aiocbp)
   /* The result -EINPROGRESS means that the transfer has not yet completed */
 
   aiocbp->aio_result = -EINPROGRESS;
+  aiocbp->aio_priv   = NULL;
 
   /* Save the ID of the calling, client thread */
 

libc/aio/lio_listio.c

@@ -573,7 +573,6 @@ int lio_listio(int mode, FAR struct aiocb *const list[], int nent,
           status = OK;
           switch (aiocbp->aio_lio_opcode)
             {
-
             case LIO_NOP:
               {
                 /* Mark the do-nothing operation complete */