@@ -287,15 +287,15 @@ static u64 *rds_iw_map_scatterlist(struct rds_iw_device *rds_iwdev,
sg->bytes += dma_len;
end_addr = dma_addr + dma_len;
- if (dma_addr & PAGE_MASK) {
+ if (dma_addr & ~PAGE_MASK) {
if (i > 0)
goto out_unmap;
- dma_addr &= ~PAGE_MASK;
+ dma_addr &= PAGE_MASK;
}
- if (end_addr & PAGE_MASK) {
+ if (end_addr & ~PAGE_MASK) {
if (i < sg->dma_len - 1)
goto out_unmap;
- end_addr = (end_addr + PAGE_MASK) & ~PAGE_MASK;
+ end_addr = (end_addr + ~PAGE_MASK) & PAGE_MASK;
}
sg->dma_npages += (end_addr - dma_addr) >> PAGE_SHIFT;
@@ -317,7 +317,7 @@ static u64 *rds_iw_map_scatterlist(struct rds_iw_device *rds_iwdev,
u64 end_addr;
end_addr = dma_addr + dma_len;
- dma_addr &= ~PAGE_MASK;
+ dma_addr &= PAGE_MASK;
for (; dma_addr < end_addr; dma_addr += PAGE_SIZE)
dma_pages[j++] = dma_addr;
BUG_ON(j > sg->dma_npages);