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RDMA/amso1100: use offset_in_page macro

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

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2015-10-03 11:00:14 +08:00 committed by Greg Kroah-Hartman
parent e1ab75dd62
commit 0bc2763f56
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/rdma/amso1100/c2_alloc.c
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@ -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 */

2
drivers/staging/rdma/amso1100/c2_provider.c
View file

@ -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);