From: Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: [PATCH for-next 02/18] IB/hfi1: Remove unnecessary done label in hfi1_write_iter
Date: Fri, 01 Jul 2016 16:00:55 -0700 [thread overview]
Message-ID: <20160701230054.20160.66207.stgit@scvm10.sc.intel.com> (raw)
In-Reply-To: <20160701225824.20160.19055.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org>
From: Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Simple code clean up of hfi1_write_iter.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
drivers/infiniband/hw/hfi1/file_ops.c | 31 ++++++++++++++-----------------
1 files changed, 14 insertions(+), 17 deletions(-)
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index c702a00..2f097d9 100644
--- 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)
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2016-07-01 23:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-01 23:00 [PATCH for-next 00/18] IB/hfi1, rdmavt, qib: First batch of fixes for 4.8 Dennis Dalessandro
[not found] ` <20160701225824.20160.19055.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org>
2016-07-01 23:00 ` [PATCH for-next 01/18] IB/hfi1: Clean up port state structure definition Dennis Dalessandro
2016-07-01 23:00 ` Dennis Dalessandro [this message]
2016-07-01 23:01 ` [PATCH for-next 03/18] IB/hfi1: Fix typo Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 04/18] IB/hfi1: Separate tracepoints into specific headers Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 05/18] IB/hfi1: Fix trace sparse errors Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 06/18] IB/hfi1: Add VL XmitDiscards counters to the opapmaquery Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 07/18] IB/hfi1: Add counter to track unsupported packets drop Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 08/18] IB/hfi1: Add global structure for affinity assignments Dennis Dalessandro
[not found] ` <20160701230127.20160.68709.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org>
2016-07-25 14:52 ` [PATCH v2] " Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 09/18] IB/hfi1: Reserve and collapse CPU cores for contexts Dennis Dalessandro
[not found] ` <20160701230133.20160.76302.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org>
2016-07-25 14:54 ` [PATCH v2] " Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 10/18] IB/hfi1: Refine user process affinity algorithm Dennis Dalessandro
[not found] ` <20160701230138.20160.5753.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org>
2016-07-25 14:54 ` [PATCH v2] " Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 11/18] IB/hfi1: Use built-in i2c bit-shift bus adapter Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 12/18] IB/hfi1: Remove TWSI references Dennis Dalessandro
2016-07-01 23:01 ` [PATCH for-next 13/18] IB/hfi1: Improve SDMA engine assignment for user SDMA Dennis Dalessandro
2016-07-01 23:02 ` [PATCH for-next 14/18] IB/hfi1: Correct receive packet handler assignment Dennis Dalessandro
2016-07-01 23:02 ` [PATCH for-next 15/18] IB/rdmavt: Add data structures and routines for table driven post send Dennis Dalessandro
2016-07-01 23:02 ` [PATCH for-next 16/18] IB/hfi1: Add hfi1 post send tables Dennis Dalessandro
2016-07-01 23:02 ` [PATCH for-next 17/18] IB/qib: Add qib post send table Dennis Dalessandro
2016-07-01 23:02 ` [PATCH for-next 18/18] IB/rdmavt: Use new driver specific " Dennis Dalessandro
2016-08-02 19:58 ` [PATCH for-next 00/18] IB/hfi1, rdmavt, qib: First batch of fixes for 4.8 Doug Ledford
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160701230054.20160.66207.stgit@scvm10.sc.intel.com \
--to=dennis.dalessandro-ral2jqcrhueavxtiumwx3w@public.gmane.org \
--cc=dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox