From: Chien Tung <[email protected]>
Adrian Bunk found some apparently dead code in nes_verbs.c
after a coverity review that really shouldn't have been dead.
The function nes_create_cq() was missing the following assignment
err = 1;
just prior to an iteration that conditionally set err = 0
if a PBL was found for a given virtual CQ. Also noticed
we should have been returning -EFAULT on a couple related
error paths.
Signed-off-by: Chien Tung <[email protected]>
Signed-off-by: Glenn Streiff <[email protected]>
---
drivers/infiniband/hw/nes/nes_verbs.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 4dafbe1..201b95e 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1327,7 +1327,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
(long long unsigned int)req.user_wqe_buffers);
nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
kfree(nesqp->allocated_buffer);
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(-EFAULT);
}
}
@@ -1674,6 +1674,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
}
nes_debug(NES_DBG_CQ, "CQ Virtual Address = %08lX, size = %u.\n",
(unsigned long)req.user_cq_buffer, entries);
+ err = 1;
list_for_each_entry(nespbl, &nes_ucontext->cq_reg_mem_list, list) {
if (nespbl->user_base == (unsigned long )req.user_cq_buffer) {
list_del(&nespbl->list);
@@ -1686,7 +1687,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
if (err) {
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
kfree(nescq);
- return ERR_PTR(err);
+ return ERR_PTR(-EFAULT);
}
pbl_entries = nespbl->pbl_size >> 3;