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authorJiri Kosina <jkosina@suse.cz>2014-06-04 13:09:01 +0200
committerJiri Kosina <jkosina@suse.cz>2014-06-04 13:09:01 +0200
commitaf5666e0f76023d9c296016024297903a4c83108 (patch)
tree9397e7a41dd3eb0c0e14a6407a8e8f12abed4fc5 /drivers/infiniband/hw/mlx5/doorbell.c
parent1b15d2e5b8077670b1e6a33250a0d9577efff4a5 (diff)
parent368c96640d10a145da5f258f2d2833668d4f3629 (diff)
Merge branches 'for-3.15/upstream-fixes' and 'for-3.16/upstream' into for-linus
Conflicts: drivers/hid/hid-sensor-hub.c
Diffstat (limited to 'drivers/infiniband/hw/mlx5/doorbell.c')
-rw-r--r--drivers/infiniband/hw/mlx5/doorbell.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/doorbell.c b/drivers/infiniband/hw/mlx5/doorbell.c
index 256a23344f28..ece028fc47d6 100644
--- a/drivers/infiniband/hw/mlx5/doorbell.c
+++ b/drivers/infiniband/hw/mlx5/doorbell.c
@@ -47,7 +47,6 @@ int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt,
struct mlx5_db *db)
{
struct mlx5_ib_user_db_page *page;
- struct ib_umem_chunk *chunk;
int err = 0;
mutex_lock(&context->db_page_mutex);
@@ -75,8 +74,7 @@ int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt,
list_add(&page->list, &context->db_page_list);
found:
- chunk = list_entry(page->umem->chunk_list.next, struct ib_umem_chunk, list);
- db->dma = sg_dma_address(chunk->page_list) + (virt & ~PAGE_MASK);
+ db->dma = sg_dma_address(page->umem->sg_head.sgl) + (virt & ~PAGE_MASK);
db->u.user_page = page;
++page->refcnt;