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authorMichael S. Tsirkin <mst@mellanox.co.il>2005-04-16 18:26:16 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:26:16 -0400
commit72c30290bea3a24e2ab56c7a51af47012f7465a4 (patch)
tree251b5d362db0e598aef0f47193922a39af1e1773 /drivers/infiniband/hw
parent3fba231754eef768f6ca83900b726ecf4bc9dc5f (diff)
[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 <mst@mellanox.co.il> Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 132fcb854c1a..293c69b1e48f 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,
494 mask = 0; 494 mask = 0;
495 total_size = 0; 495 total_size = 0;
496 for (i = 0; i < num_phys_buf; ++i) { 496 for (i = 0; i < num_phys_buf; ++i) {
497 if (buffer_list[i].addr & ~PAGE_MASK) 497 if (i != 0 && buffer_list[i].addr & ~PAGE_MASK)
498 return ERR_PTR(-EINVAL); 498 return ERR_PTR(-EINVAL);
499 if (i != 0 && i != num_phys_buf - 1 && 499 if (i != 0 && i != num_phys_buf - 1 &&
500 (buffer_list[i].size & ~PAGE_MASK)) 500 (buffer_list[i].size & ~PAGE_MASK))