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staging: kpc2000: simplify comparison to NULL in dma.c
Fixes checkpatch warning "Comparison to NULL could be written [...]". Signed-off-by: Simon Sandström <simon@nikanor.nu> Link: https://lore.kernel.org/r/20190704060811.10330-3-simon@nikanor.nu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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209ff937b0
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a50d99d401
1 changed files with 2 additions and 2 deletions
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@ -119,7 +119,7 @@ int setup_dma_engine(struct kpc_dma_device *eng, u32 desc_cnt)
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cur = eng->desc_pool_first;
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cur = eng->desc_pool_first;
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for (i = 1 ; i < eng->desc_pool_cnt ; i++) {
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for (i = 1 ; i < eng->desc_pool_cnt ; i++) {
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next = dma_pool_alloc(eng->desc_pool, GFP_KERNEL | GFP_DMA, &next_handle);
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next = dma_pool_alloc(eng->desc_pool, GFP_KERNEL | GFP_DMA, &next_handle);
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if (next == NULL)
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if (!next)
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goto done_alloc;
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goto done_alloc;
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clear_desc(next);
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clear_desc(next);
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@ -245,7 +245,7 @@ int count_descriptors_available(struct kpc_dma_device *eng)
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void clear_desc(struct kpc_dma_descriptor *desc)
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void clear_desc(struct kpc_dma_descriptor *desc)
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{
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{
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if (desc == NULL)
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if (!desc)
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return;
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return;
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desc->DescByteCount = 0;
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desc->DescByteCount = 0;
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desc->DescStatusErrorFlags = 0;
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desc->DescStatusErrorFlags = 0;
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