From: Srishti Sharma <srishtishar@gmail.com>
To: gilad@benyossef.com
Cc: devel@driverdev.osuosl.org, gregkh@linuxfoundation.org,
driverdev-devel@linuxdriverproject.org,
linux-kernel@vger.kernel.org, outreachy-kernel@googlegroups.com,
Srishti Sharma <srishtishar@gmail.com>,
linux-crypto@vger.kernel.org
Subject: [PATCH v2] Staging: ccree: Use kcalloc instead of kzalloc
Date: Thu, 14 Sep 2017 18:18:13 +0530 [thread overview]
Message-ID: <1505393293-5941-1-git-send-email-srishtishar@gmail.com> (raw)
Use kcalloc instead of kzalloc to check for overflow before
multiplication. Done using the following semantic patch by
coccinelle.
http://coccinelle.lip6.fr/rules/kzalloc.cocci
Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
---
Changes in v2:
- eliminate parentheses around the first argument
drivers/staging/ccree/ssi_sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/ccree/ssi_sysfs.c b/drivers/staging/ccree/ssi_sysfs.c
index 0655658..f7e0c502 100644
--- a/drivers/staging/ccree/ssi_sysfs.c
+++ b/drivers/staging/ccree/ssi_sysfs.c
@@ -376,7 +376,7 @@ static int sys_init_dir(struct sys_dir *sys_dir, struct ssi_drvdata *drvdata,
return -ENOMEM;
/* allocate memory for directory's attributes list */
sys_dir->sys_dir_attr_list =
- kzalloc(sizeof(struct attribute *) * (num_of_attrs + 1),
+ kcalloc(num_of_attrs + 1, sizeof(struct attribute *),
GFP_KERNEL);
if (!(sys_dir->sys_dir_attr_list)) {
--
2.7.4
next reply other threads:[~2017-09-14 12:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-14 12:48 Srishti Sharma [this message]
2017-09-14 12:54 ` [Outreachy kernel] [PATCH v2] Staging: ccree: Use kcalloc instead of kzalloc Julia Lawall
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