From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Sat, 18 Feb 2017 20:12:44 +0100

Multiplications for the size determination of memory allocations
indicated that array data structures should be processed.
Thus use the corresponding function "kmalloc_array".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/infiniband/hw/mlx5/qp.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 5ed5208d0ddd..e6e9b468b206 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -955,12 +955,21 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
                goto err_free;
        }
 
-       qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), 
GFP_KERNEL);
-       qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), 
GFP_KERNEL);
-       qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), 
GFP_KERNEL);
-       qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), 
GFP_KERNEL);
-       qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), 
GFP_KERNEL);
-
+       qp->sq.wrid = kmalloc_array(qp->sq.wqe_cnt,
+                                   sizeof(*qp->sq.wrid),
+                                   GFP_KERNEL);
+       qp->sq.wr_data = kmalloc_array(qp->sq.wqe_cnt,
+                                      sizeof(*qp->sq.wr_data),
+                                      GFP_KERNEL);
+       qp->rq.wrid = kmalloc_array(qp->rq.wqe_cnt,
+                                   sizeof(*qp->rq.wrid),
+                                   GFP_KERNEL);
+       qp->sq.w_list = kmalloc_array(qp->sq.wqe_cnt,
+                                     sizeof(*qp->sq.w_list),
+                                     GFP_KERNEL);
+       qp->sq.wqe_head = kmalloc_array(qp->sq.wqe_cnt,
+                                       sizeof(*qp->sq.wqe_head),
+                                       GFP_KERNEL);
        if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid ||
            !qp->sq.w_list || !qp->sq.wqe_head) {
                err = -ENOMEM;
-- 
2.11.1

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