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| author | Christoph Hellwig <hch@lst.de> | 2018-12-03 11:42:52 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-13 21:06:13 +0100 |
| commit | b907e20508d02462a50c2841da0a5e3883fdab39 (patch) | |
| tree | caad79fcf693311a323db7608057c79b61c7405f /kernel/dma/swiotlb.c | |
| parent | e5361ca29f2fea345c08d2b5cb5e3b1840cbafb8 (diff) | |
| download | linux-stable-b907e20508d02462a50c2841da0a5e3883fdab39.tar.gz linux-stable-b907e20508d02462a50c2841da0a5e3883fdab39.tar.bz2 linux-stable-b907e20508d02462a50c2841da0a5e3883fdab39.zip | |
swiotlb: remove SWIOTLB_MAP_ERROR
We can use DMA_MAPPING_ERROR instead, which already maps to the same
value.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'kernel/dma/swiotlb.c')
| -rw-r--r-- | kernel/dma/swiotlb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index ff1ce81bb623..19ba8e473d71 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -526,7 +526,7 @@ not_found: spin_unlock_irqrestore(&io_tlb_lock, flags); if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit()) dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size); - return SWIOTLB_MAP_ERROR; + return DMA_MAPPING_ERROR; found: spin_unlock_irqrestore(&io_tlb_lock, flags); @@ -637,7 +637,7 @@ static dma_addr_t swiotlb_bounce_page(struct device *dev, phys_addr_t *phys, /* Oh well, have to allocate and map a bounce buffer. */ *phys = swiotlb_tbl_map_single(dev, __phys_to_dma(dev, io_tlb_start), *phys, size, dir, attrs); - if (*phys == SWIOTLB_MAP_ERROR) + if (*phys == DMA_MAPPING_ERROR) return DMA_MAPPING_ERROR; /* Ensure that the address returned is DMA'ble */ |