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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>
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@ -36,11 +36,6 @@ static struct of_dma *of_dma_get_controller(struct of_phandle_args *dma_spec)
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spin_lock(&of_dma_lock);
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if (list_empty(&of_dma_list)) {
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spin_unlock(&of_dma_lock);
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return NULL;
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}
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list_for_each_entry(ofdma, &of_dma_list, of_dma_controllers)
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if ((ofdma->of_node == dma_spec->np) &&
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(ofdma->of_dma_nbcells == dma_spec->args_count)) {
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