[PATCH 2/5] IB/nes: Use kcalloc() in nes_reg_user_mr()

From: SF Markus Elfring
Date: Mon Mar 06 2017 - 12:42:04 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 6 Mar 2017 16:26:25 +0100

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus reuse the corresponding function "kcalloc".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/nes/nes_verbs.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index d3eae2f3e9f5..a28dfeaa1f45 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2260,8 +2260,9 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
ibmr = ERR_PTR(-ENOMEM);
goto reg_user_mr_err;
}
- root_vpbl.leaf_vpbl = kzalloc(sizeof(*root_vpbl.leaf_vpbl)*1024,
- GFP_KERNEL);
+ root_vpbl.leaf_vpbl = kcalloc(1024,
+ sizeof(*root_vpbl.leaf_vpbl),
+ GFP_KERNEL);
if (!root_vpbl.leaf_vpbl) {
ib_umem_release(region);
pci_free_consistent(nesdev->pcidev, 8192, root_vpbl.pbl_vbase,
--
2.12.0