IB/hfi1: Remove unnecessary done label in hfi1_write_iter

Simple code clean up of hfi1_write_iter.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index c702a00..2f097d9 100644 (file)
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -392,41 +392,38 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
        struct hfi1_filedata *fd = kiocb->ki_filp->private_data;
        struct hfi1_user_sdma_pkt_q *pq = fd->pq;
        struct hfi1_user_sdma_comp_q *cq = fd->cq;
-       int ret = 0, done = 0, reqs = 0;
+       int done = 0, reqs = 0;
        unsigned long dim = from->nr_segs;
 
-       if (!cq || !pq) {
-               ret = -EIO;
-               goto done;
-       }
+       if (!cq || !pq)
+               return -EIO;
 
-       if (!iter_is_iovec(from) || !dim) {
-               ret = -EINVAL;
-               goto done;
-       }
+       if (!iter_is_iovec(from) || !dim)
+               return -EINVAL;
 
        hfi1_cdbg(SDMA, "SDMA request from %u:%u (%lu)",
                  fd->uctxt->ctxt, fd->subctxt, dim);
 
-       if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) {
-               ret = -ENOSPC;
-               goto done;
-       }
+       if (atomic_read(&pq->n_reqs) == pq->n_max_reqs)
+               return -ENOSPC;
 
        while (dim) {
+               int ret;
                unsigned long count = 0;
 
                ret = hfi1_user_sdma_process_request(
                        kiocb->ki_filp, (struct iovec *)(from->iov + done),
                        dim, &count);
-               if (ret)
-                       goto done;
+               if (ret) {
+                       reqs = ret;
+                       break;
+               }
                dim -= count;
                done += count;
                reqs++;
        }
-done:
-       return ret ? ret : reqs;
+
+       return reqs;
 }
 
 static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)