diff options
| author | Claire Chang <tientzu@chromium.org> | 2021-04-22 16:14:53 +0800 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2021-04-27 17:03:20 +0000 |
| commit | 95b079d8215b83b37fa59341fda92fcb9392f14a (patch) | |
| tree | f7330bb0dc76936d76320524d0f80c06dbe4ea4c /kernel/dma/swiotlb.c | |
| parent | 2726bf3ff2520dba61fafc90a055640f7ad54e05 (diff) | |
swiotlb: Fix the type of index
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>
Diffstat (limited to 'kernel/dma/swiotlb.c')
| -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 0a5b6f7e75bc..8635a57f88e9 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -499,7 +499,8 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr, { struct io_tlb_mem *mem = io_tlb_default_mem; unsigned int offset = swiotlb_align_offset(dev, orig_addr); - unsigned int index, i; + unsigned int i; + int index; phys_addr_t tlb_addr; if (!mem) |