hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Ira Weiny 2016-07-01 16:00:55 -07:00 committed by Doug Ledford
parent f8181697fd
commit 0904f32796
1 changed files with 14 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/infiniband/hw/hfi1/file_ops.c
View File

@ -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)