Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1618321

[PATCH 1/2] IB/usnic: Use kcalloc() in alloc_res_chunk_list()

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 1/2] IB/usnic: Use kcalloc() in alloc_res_chunk_list()
Date 2017-04-06 22:20 +0200
Message-ID <ttm2S-5DN-21@gated-at.bofh.it> (permalink)
References <ttm2R-5DN-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 6 Apr 2017 20:32:39 +0200

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

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
index 092d4e11a633..817f0475d9fe 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
@@ -545,8 +545,8 @@ alloc_res_chunk_list(struct usnic_vnic *vnic,
 		/* Do Nothing */
 	}
 
-	res_chunk_list = kzalloc(sizeof(*res_chunk_list)*(res_lst_sz+1),
-					GFP_ATOMIC);
+	res_chunk_list = kcalloc(res_lst_sz + 1, sizeof(*res_chunk_list),
+				 GFP_ATOMIC);
 	if (!res_chunk_list)
 		return ERR_PTR(-ENOMEM);
 
-- 
2.12.2

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH 0/2] IB/usnic: Fine-tuning for two function implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-06 22:20 +0200
  [PATCH 2/2] IB/usnic: Use kcalloc() in usnic_vnic_alloc_res_chunk() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-06 22:20 +0200
  [PATCH 1/2] IB/usnic: Use kcalloc() in alloc_res_chunk_list() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-06 22:20 +0200

csiph-web