From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: Dennis Dalessandro <dennis.dalessandro@intel.com>,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Subject: [PATCH v2] IB/rdmavt: return proper error code
Date: Fri, 24 Apr 2020 17:01:14 +0100 [thread overview]
Message-ID: <20200424160114.7139-1-sudipm.mukherjee@gmail.com> (raw)
The commit 'ff23dfa13457' modified rvt_create_mmap_info() to return
error code and also NULL but missed fixing codes which called
rvt_create_mmap_info(). Modify rvt_create_mmap_info() to only return
errorcode and fix error checking after rvt_create_mmap_info() was
called.
Fixes: ff23dfa13457 ("IB: Pass only ib_udata in function prototypes")
Cc: stable@vger.kernel.org [5.4+]
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
---
drivers/infiniband/sw/rdmavt/cq.c | 4 ++--
drivers/infiniband/sw/rdmavt/mmap.c | 2 +-
drivers/infiniband/sw/rdmavt/qp.c | 4 ++--
drivers/infiniband/sw/rdmavt/srq.c | 4 ++--
4 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c
index 5724cbbe38b1..04d2e72017fe 100644
--- a/drivers/infiniband/sw/rdmavt/cq.c
+++ b/drivers/infiniband/sw/rdmavt/cq.c
@@ -248,8 +248,8 @@ int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
*/
if (udata && udata->outlen >= sizeof(__u64)) {
cq->ip = rvt_create_mmap_info(rdi, sz, udata, u_wc);
- if (!cq->ip) {
- err = -ENOMEM;
+ if (IS_ERR(cq->ip)) {
+ err = PTR_ERR(cq->ip);
goto bail_wc;
}
diff --git a/drivers/infiniband/sw/rdmavt/mmap.c b/drivers/infiniband/sw/rdmavt/mmap.c
index 652f4a7efc1b..eba1d5e7f056 100644
--- a/drivers/infiniband/sw/rdmavt/mmap.c
+++ b/drivers/infiniband/sw/rdmavt/mmap.c
@@ -166,7 +166,7 @@ struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
ip = kmalloc_node(sizeof(*ip), GFP_KERNEL, rdi->dparms.node);
if (!ip)
- return ip;
+ return ERR_PTR(-ENOMEM);
size = PAGE_ALIGN(size);
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 0e1b291d2cec..500a7ee04c44 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1244,8 +1244,8 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
qp->ip = rvt_create_mmap_info(rdi, s, udata,
qp->r_rq.wq);
- if (!qp->ip) {
- ret = ERR_PTR(-ENOMEM);
+ if (IS_ERR(qp->ip)) {
+ ret = ERR_CAST(qp->ip);
goto bail_qpn;
}
diff --git a/drivers/infiniband/sw/rdmavt/srq.c b/drivers/infiniband/sw/rdmavt/srq.c
index 24fef021d51d..f547c115af03 100644
--- a/drivers/infiniband/sw/rdmavt/srq.c
+++ b/drivers/infiniband/sw/rdmavt/srq.c
@@ -111,8 +111,8 @@ int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
u32 s = sizeof(struct rvt_rwq) + srq->rq.size * sz;
srq->ip = rvt_create_mmap_info(dev, s, udata, srq->rq.wq);
- if (!srq->ip) {
- ret = -ENOMEM;
+ if (IS_ERR(srq->ip)) {
+ ret = PTR_ERR(srq->ip);
goto bail_wq;
}
--
2.11.0
next reply other threads:[~2020-04-24 16:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 16:01 Sudip Mukherjee [this message]
2020-04-24 16:59 ` [PATCH v2] IB/rdmavt: return proper error code Marciniszyn, Mike
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