staging: rdma: hfi1: Use offset_in_page macro

Use offset_in_page macro instead of (var & ~PAGE_MASK)

The Coccinelle semantic patch used to make this change is as follows:
// <smpl>
@@
unsigned long p;
@@
- p & ~PAGE_MASK
+ offset_in_page(p)
// </smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c
index 4f55950..feb2069 100644 (file)
--- a/drivers/staging/rdma/hfi1/user_sdma.c
+++ b/drivers/staging/rdma/hfi1/user_sdma.c
@@ -925,8 +925,8 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
                        unsigned pageidx, len;
 
                        base = (unsigned long)iovec->iov.iov_base;
-                       offset = ((base + iovec->offset + iov_offset) &
-                                 ~PAGE_MASK);
+                       offset = offset_in_page(base + iovec->offset +
+                                               iov_offset);
                        pageidx = (((iovec->offset + iov_offset +
                                     base) - (base & PAGE_MASK)) >> PAGE_SHIFT);
                        len = offset + req->info.fragsize > PAGE_SIZE ?