Make sure to copy the right amount out of the temp buffer.

This commit was SVN r7400.

ompi/mca/coll/basic/coll_basic_allgather.c

@@ -65,34 +65,28 @@ mca_coll_basic_allgather_intra(void *sbuf, int scount,
             return OMPI_ERR_OUT_OF_RESOURCE;
         }
         rbuf = inplace_temp - lb;
-
     } 
 
     /* Gather and broadcast. */
 
     err = comm->c_coll.coll_gather(sbuf, scount, sdtype, rbuf, rcount,
                                    rdtype, 0, comm);
-    if (MPI_SUCCESS != err) {
+    if (MPI_SUCCESS == err) {
-        return err;
-    }
-
         err = comm->c_coll.coll_bcast(rbuf, rcount * ompi_comm_size(comm), 
                                       rdtype, 0, comm);
-    if (MPI_SUCCESS != err) {
-        return err;
     }
 
-    /* If we're IN_PLACE and not the root, copy back out (sendcount
+    /* If we've got a temp buffer, copy back out */
-       and sendtype are ignored) */
 
-    if (NULL != inplace_temp) {
+    if (MPI_SUCCESS == err && NULL != inplace_temp) {
-        ompi_ddt_copy_content_same_ddt(rdtype, rcount, rbuf_original, rbuf);
+        ompi_ddt_copy_content_same_ddt(rdtype, rcount * ompi_comm_size(comm),
+                                       rbuf_original, rbuf);
         free(inplace_temp);
     }
 
     /* All done */
 
-    return MPI_SUCCESS;
+    return err;
 }