From: Weihang Li <liweihang@hisilicon.com>
To: <dledford@redhat.com>, <jgg@ziepe.ca>
Cc: <linux-rdma@vger.kernel.org>, <linuxarm@huawei.com>
Subject: [PATCH for-rc 1/2] RDMA/hns: Correct the value of HNS_ROCE_HEM_CHUNK_LEN
Date: Fri, 1 Nov 2019 10:33:29 +0800 [thread overview]
Message-ID: <1572575610-52530-2-git-send-email-liweihang@hisilicon.com> (raw)
In-Reply-To: <1572575610-52530-1-git-send-email-liweihang@hisilicon.com>
From: Sirong Wang <wangsirong@huawei.com>
Size of pointer to buf field of struct hns_roce_hem_chunk should be
considered when calculating HNS_ROCE_HEM_CHUNK_LEN, or sg table size
will be larger than expected when allocating hem.
Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Sirong Wang <wangsirong@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
---
drivers/infiniband/hw/hns/hns_roce_hem.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.h b/drivers/infiniband/hw/hns/hns_roce_hem.h
index 8678327..3bb8f78 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.h
@@ -59,7 +59,7 @@ enum {
#define HNS_ROCE_HEM_CHUNK_LEN \
((256 - sizeof(struct list_head) - 2 * sizeof(int)) / \
- (sizeof(struct scatterlist)))
+ (sizeof(struct scatterlist) + sizeof(void *)))
#define check_whether_bt_num_3(type, hop_num) \
(type < HEM_TYPE_MTT && hop_num == 2)
--
2.8.1
next prev parent reply other threads:[~2019-11-01 2:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-01 2:33 [PATCH for-rc 0/2] RDMA/hns: Fix incorrect assignments Weihang Li
2019-11-01 2:33 ` Weihang Li [this message]
2019-11-01 2:33 ` [PATCH for-rc 2/2] RDMA/hns: Correct the value of srq_desc_size Weihang Li
2019-11-06 17:44 ` [PATCH for-rc 0/2] RDMA/hns: Fix incorrect assignments Jason Gunthorpe
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=1572575610-52530-2-git-send-email-liweihang@hisilicon.com \
--to=liweihang@hisilicon.com \
--cc=dledford@redhat.com \
--cc=jgg@ziepe.ca \
--cc=linux-rdma@vger.kernel.org \
--cc=linuxarm@huawei.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.