[PATCH v5 01/16] swiotlb: Fix the type of index
From: Claire Chang <hidden>
Date: 2021-04-22 08:15:31
Also in:
dri-devel, intel-gfx, linux-devicetree, linux-iommu, linux-pci, lkml, nouveau, xen-devel
Subsystem:
dma mapping helpers, the rest · Maintainers:
Marek Szyprowski, Linus Torvalds
Fix the type of index from unsigned int to int since find_slots() might
return -1.
Fixes: 0774983bc923 ("swiotlb: refactor swiotlb_tbl_map_single")
Signed-off-by: Claire Chang <redacted>
---
kernel/dma/swiotlb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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)
--
2.31.1.368.gbe11c130af-goog