Detected this by building the IB core with W=1. See also patch "IB core: Fix ib_sg_to_pages()" (commit 8f5ba10ed40a).
Signed-off-by: Bart Van Assche <bart.vanass...@sandisk.com> Cc: Sagi Grimberg <sa...@mellanox.com> Cc: Christoph Hellwig <h...@lst.de> --- drivers/infiniband/core/verbs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 545906d..c90ed29 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1530,7 +1530,7 @@ int ib_sg_to_pages(struct ib_mr *mr, int (*set_page)(struct ib_mr *, u64)) { struct scatterlist *sg; - u64 last_end_dma_addr = 0, last_page_addr = 0; + u64 last_end_dma_addr = 0; unsigned int last_page_off = 0; u64 page_mask = ~((u64)mr->page_size - 1); int i, ret; @@ -1572,7 +1572,6 @@ next_page: mr->length += dma_len; last_end_dma_addr = end_dma_addr; - last_page_addr = end_dma_addr & page_mask; last_page_off = end_dma_addr & ~page_mask; } -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html