2024-01-08 09:06:32

by Dan Carpenter

[permalink] [raw]
Subject: [PATCH] RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()

Return -ENOMEM if get_zeroed_page() fails. Don't return success.

Fixes: e275919d9669 ("RDMA/bnxt_re: Share a page to expose per CQ info with userspace")
Signed-off-by: Dan Carpenter <[email protected]>
---
drivers/infiniband/hw/bnxt_re/ib_verbs.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 7213dc7574d0..824349659d69 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -2944,9 +2944,9 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
struct bnxt_qplib_chip_ctx *cctx;
struct bnxt_qplib_nq *nq = NULL;
- int rc = -ENOMEM, entries;
unsigned int nq_alloc_cnt;
int cqe = attr->cqe;
+ int rc, entries;
u32 active_cqs;

if (attr->flags)
@@ -3027,8 +3027,10 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
hash_add(rdev->cq_hash, &cq->hash_entry, cq->qplib_cq.id);
/* Allocate a page */
cq->uctx_cq_page = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cq->uctx_cq_page)
+ if (!cq->uctx_cq_page) {
+ rc = -ENOMEM;
goto c2fail;
+ }
resp.comp_mask |= BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT;
}
resp.cqid = cq->qplib_cq.id;
--
2.42.0



2024-01-08 09:44:21

by Leon Romanovsky

[permalink] [raw]
Subject: Re: [PATCH] RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()


On Mon, 08 Jan 2024 12:06:11 +0300, Dan Carpenter wrote:
> Return -ENOMEM if get_zeroed_page() fails. Don't return success.
>
>

Applied, thanks!

[1/1] RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()
https://git.kernel.org/rdma/rdma/c/abdde500cdf456

Best regards,
--
Leon Romanovsky <[email protected]>

2024-01-08 10:04:02

by Selvin Xavier

[permalink] [raw]
Subject: Re: [PATCH] RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()

On Mon, Jan 8, 2024 at 3:14 PM Leon Romanovsky <[email protected]> wrote:
>
>
> On Mon, 08 Jan 2024 12:06:11 +0300, Dan Carpenter wrote:
> > Return -ENOMEM if get_zeroed_page() fails. Don't return success.
> >
Acked-by: Selvin Xavier <[email protected]>
> >
>
> Applied, thanks!
>
> [1/1] RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()
> https://git.kernel.org/rdma/rdma/c/abdde500cdf456
>
> Best regards,
> --
> Leon Romanovsky <[email protected]>


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