Minor fixes

theano/gpuarray/opt.py

@@ -1648,8 +1648,7 @@ def local_abstractconv_gemm(node):
             if prod1 > prod2:
                 rval = GpuCorrMM_gradWeights(border_mode,
                                              subsample,
-                                             filter_dilation,
-                                             unshared)(
+                                             filter_dilation)(
                     gpu_contiguous(img.dimshuffle(1, 0, 2, 3)),
                     gpu_contiguous(kern.dimshuffle(1, 0, 2, 3)))
                 # (we need to wrap the result in as_gpuarray_variable,

theano/tensor/nnet/abstract_conv.py

@@ -300,7 +300,7 @@ def get_conv_gradinputs_shape(kernel_shape, top_shape,
     """
     bsize, topshp = top_shape[0], top_shape[2:]
 
-    convdim = len(topshp) - 2
+    convdim = len(top_shape) - 2
     nkern, kshp = kernel_shape[1], kernel_shape[-convdim:]
 
     if filter_dilation is None: