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


Groups > linux.kernel > #1567670 > unrolled thread

[PATCH] macvtap: Use kmalloc_array() in macvtap_queue_resize()

Started bySF Markus Elfring <elfring@users.sourceforge.net>
First post2017-01-26 20:50 +0100
Last post2017-01-26 20:50 +0100
Articles 1 — 1 participant

Back to article view | Back to linux.kernel


Contents

  [PATCH] macvtap: Use kmalloc_array() in macvtap_queue_resize() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-26 20:50 +0100

#1567670 — [PATCH] macvtap: Use kmalloc_array() in macvtap_queue_resize()

FromSF Markus Elfring <elfring@users.sourceforge.net>
Date2017-01-26 20:50 +0100
Subject[PATCH] macvtap: Use kmalloc_array() in macvtap_queue_resize()
Message-ID<t3Ydu-2X9-83@gated-at.bofh.it>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 26 Jan 2017 19:47:38 +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.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/net/macvtap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 5c26653eceb5..1796d8f1ef47 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -1243,7 +1243,7 @@ static int macvtap_queue_resize(struct macvlan_dev *vlan)
 	int n = vlan->numqueues;
 	int ret, i = 0;
 
-	arrays = kmalloc(sizeof *arrays * n, GFP_KERNEL);
+	arrays = kmalloc_array(n, sizeof(*arrays), GFP_KERNEL);
 	if (!arrays)
 		return -ENOMEM;
 
-- 
2.11.0

[toc] | [standalone]


Back to top | Article view | linux.kernel


csiph-web