From 72c30290bea3a24e2ab56c7a51af47012f7465a4 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Sat, 16 Apr 2005 15:26:16 -0700 Subject: [PATCH] [PATCH] IB/mthca: allow unaligned memory regions The first buffer of a memory region is not required to be page-aligned, so don't return an error if it's not. Signed-off-by: Michael S. Tsirkin Signed-off-by: Roland Dreier Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/infiniband/hw/mthca/mthca_provider.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 132fcb854c..293c69b1e4 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -494,7 +494,7 @@ static struct ib_mr *mthca_reg_phys_mr(struct ib_pd *pd, mask = 0; total_size = 0; for (i = 0; i < num_phys_buf; ++i) { - if (buffer_list[i].addr & ~PAGE_MASK) + if (i != 0 && buffer_list[i].addr & ~PAGE_MASK) return ERR_PTR(-EINVAL); if (i != 0 && i != num_phys_buf - 1 && (buffer_list[i].size & ~PAGE_MASK)) -- 2.39.5