diff options
| author | Claire Chang <tientzu@chromium.org> | 2021-04-22 16:14:53 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-19 10:13:04 +0200 |
| commit | a01572e21f0941a1c8b7d39369fec3bd9b7e5e85 (patch) | |
| tree | 87a89ad87d91ade07e93da102cbecd110ddbb734 /kernel/dma | |
| parent | 04dad2ca1f5e460296b983d332cff642055c4def (diff) | |
swiotlb: Fix the type of index
[ Upstream commit 95b079d8215b83b37fa59341fda92fcb9392f14a ]
Fix the type of index from unsigned int to int since find_slots() might
return -1.
Fixes: 26a7e094783d ("swiotlb: refactor swiotlb_tbl_map_single")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Claire Chang <tientzu@chromium.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/swiotlb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index ba4055a192e4..0f61b14b0099 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -563,7 +563,8 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr, enum dma_data_direction dir, unsigned long attrs) { unsigned int offset = swiotlb_align_offset(dev, orig_addr); - unsigned int index, i; + unsigned int i; + int index; phys_addr_t tlb_addr; if (no_iotlb_memory) |