[PATCH] RDMA/amso1100: use offset_in_page macro

[Geliang Tang]

Use offset_in_page macro instead of (addr & ~PAGE_MASK).

Signed-off-by: Geliang Tang <geliangt...@163.com>
---
 drivers/staging/rdma/amso1100/c2_alloc.c    | 2 +-
 drivers/staging/rdma/amso1100/c2_provider.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rdma/amso1100/c2_alloc.c 
b/drivers/staging/rdma/amso1100/c2_alloc.c
index 78d247e..039872d 100644
--- a/drivers/staging/rdma/amso1100/c2_alloc.c
+++ b/drivers/staging/rdma/amso1100/c2_alloc.c
@@ -131,7 +131,7 @@ void c2_free_mqsp(__be16 *mqsp)
        *mqsp = (__force __be16) head->head;
 
        /* Compute the shared_ptr index */
-       idx = ((unsigned long) mqsp & ~PAGE_MASK) >> 1;
+       idx = (offset_in_page(mqsp)) >> 1;
        idx -= (unsigned long) &(((struct sp_chunk *) 0)->shared_ptr[0]) >> 1;
 
        /* Point this index at the head */
diff --git a/drivers/staging/rdma/amso1100/c2_provider.c 
b/drivers/staging/rdma/amso1100/c2_provider.c
index 25c3f00..956d76b 100644
--- a/drivers/staging/rdma/amso1100/c2_provider.c
+++ b/drivers/staging/rdma/amso1100/c2_provider.c
@@ -359,7 +359,7 @@ static struct ib_mr *c2_reg_phys_mr(struct ib_pd *ib_pd,
 
        for (i = 0; i < num_phys_buf; i++) {
 
-               if (buffer_list[i].addr & ~PAGE_MASK) {
+               if (offset_in_page(buffer_list[i].addr)) {
                        pr_debug("Unaligned Memory Buffer: 0x%x\n",
                                (unsigned int) buffer_list[i].addr);
                        return ERR_PTR(-EINVAL);
-- 
2.5.0


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