dma: of: Remove unnecessary list_empty check

list_for_each_entry is able to handle empty lists just fine, there is no need
to make sure that the list is non empty.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index 00db454..8266893 100644 (file)
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -36,11 +36,6 @@ static struct of_dma *of_dma_get_controller(struct of_phandle_args *dma_spec)
 
        spin_lock(&of_dma_lock);
 
-       if (list_empty(&of_dma_list)) {
-               spin_unlock(&of_dma_lock);
-               return NULL;
-       }
-
        list_for_each_entry(ofdma, &of_dma_list, of_dma_controllers)
                if ((ofdma->of_node == dma_spec->np) &&
                    (ofdma->of_dma_nbcells == dma_spec->args_count)) {