Commit 698733fb authored by Dan Carpenter's avatar Dan Carpenter Committed by Christoph Hellwig

swiotlb: remove an unecessary NULL check

Smatch complains here:

    lib/swiotlb.c:730 swiotlb_alloc_buffer()
    warn: variable dereferenced before check 'dev' (see line 716)

"dev" isn't ever NULL in this function so we can just remove the check.
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 3d6ce86e
......@@ -727,7 +727,7 @@ swiotlb_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle,
out_unmap:
dev_warn(dev, "hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n",
(unsigned long long)(dev ? dev->coherent_dma_mask : 0),
(unsigned long long)dev->coherent_dma_mask,
(unsigned long long)*dma_handle);
/*
......
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