IB/hfi1: Make iovec loop index easy to understand
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 54640c3..586f078 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -520,7 +520,7 @@
int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
unsigned long dim, unsigned long *count)
{
- int ret = 0, i = 0;
+ int ret = 0, i;
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_user_sdma_pkt_q *pq = fd->pq;
@@ -657,7 +657,7 @@
idx++;
/* Save all the IO vector structures */
- while (i < req->data_iovs) {
+ for (i = 0; i < req->data_iovs; i++) {
INIT_LIST_HEAD(&req->iovs[i].list);
memcpy(&req->iovs[i].iov, iovec + idx++, sizeof(struct iovec));
ret = pin_vector_pages(req, &req->iovs[i]);
@@ -665,7 +665,7 @@
req->status = ret;
goto free_req;
}
- req->data_len += req->iovs[i++].iov.iov_len;
+ req->data_len += req->iovs[i].iov.iov_len;
}
SDMA_DBG(req, "total data length %u", req->data_len);