From: Srishti Sharma <srishtishar@gmail.com>
To: oleg.drokin@intel.com
Cc: andreas.dilger@intel.com, jsimmons@infradead.org,
gregkh@linuxfoundation.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, outreachy-kernel@googlegroups.com,
Srishti Sharma <srishtishar@gmail.com>
Subject: [PATCH] Staging: lustre: obdclass: Use kcalloc instead of kzalloc
Date: Thu, 14 Sep 2017 17:36:29 +0530 [thread overview]
Message-ID: <1505390789-3814-1-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>
---
drivers/staging/lustre/lustre/obdclass/cl_object.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/obdclass/cl_object.c b/drivers/staging/lustre/lustre/obdclass/cl_object.c
index 95c7fa3..28cb8489 100644
--- a/drivers/staging/lustre/lustre/obdclass/cl_object.c
+++ b/drivers/staging/lustre/lustre/obdclass/cl_object.c
@@ -1016,7 +1016,7 @@ int cl_global_init(void)
{
int result;
- cl_envs = kzalloc(sizeof(*cl_envs) * num_possible_cpus(), GFP_KERNEL);
+ cl_envs = kcalloc(num_possible_cpus(), sizeof(*cl_envs), GFP_KERNEL);
if (!cl_envs) {
result = -ENOMEM;
goto out;
--
2.7.4
next reply other threads:[~2017-09-14 12:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-14 12:06 Srishti Sharma [this message]
2017-09-14 12:30 ` [Outreachy kernel] " Julia Lawall
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