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 10:56:27 +0200 |
| commit | 569bb35eb594cb129728889838d197e93375b6ff (patch) | |
| tree | da31da642e883f752802dc7e82f824b868046c18 /kernel/dma | |
| parent | 38ccbba8677005e54f3b92e62688121e91099732 (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 c10e855a03bc..fe4c01c14ab2 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -608,7 +608,8 @@ 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) |