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Commit 72c30290 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Linus Torvalds
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[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: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <roland@topspin.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 3fba2317

drivers/infiniband/hw/mthca/mthca_provider.c

+1 −1
Original line number Diff line number Diff line
@@ -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))