From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 17/26] IB/ocrdma: Use kmalloc_array() in ocrdma_create_srq() Date: Wed, 8 Mar 2017 14:17:29 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: kernel-janitors-owner@vger.kernel.org To: linux-rdma@vger.kernel.org, Devesh Sharma , Doug Ledford , Hal Rosenstock , Sean Hefty , Selvin Xavier Cc: LKML , kernel-janitors@vger.kernel.org List-Id: linux-rdma@vger.kernel.org From: Markus Elfring Date: Wed, 8 Mar 2017 08:45:31 +0100 * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data type by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring --- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index bc9fb144e57b..ef670ac1cbe9 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1910,8 +1910,9 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd, srq->bit_fields_len = (srq->rq.max_cnt / 32) + (srq->rq.max_cnt % 32 ? 1 : 0); - srq->idx_bit_fields = - kmalloc(srq->bit_fields_len * sizeof(u32), GFP_KERNEL); + srq->idx_bit_fields = kmalloc_array(srq->bit_fields_len, + sizeof(*srq->idx_bit_fields), + GFP_KERNEL); if (srq->idx_bit_fields == NULL) goto arm_err; memset(srq->idx_bit_fields, 0xff, -- 2.12.0