linux-kernel - [PATCH 05/10] dlm: Improve a size determination in dlm_recover_waiters

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Date:   Sat, 6 May 2017 10:41:59 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     cluster-devel@...hat.com,
        Christine Caulfield <ccaulfie@...hat.com>,
        David Teigland <teigland@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 05/10] dlm: Improve a size determination in
 dlm_recover_waiters_pre()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 6 May 2017 08:48:29 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 fs/dlm/lock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index fd6fe55bedae..ffadb817ad39 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -5119,7 +5119,7 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls)
 	int wait_type, stub_unlock_result, stub_cancel_result;
 	int dir_nodeid;
 
-	ms_stub = kmalloc(sizeof(struct dlm_message), GFP_KERNEL);
+	ms_stub = kmalloc(sizeof(*ms_stub), GFP_KERNEL);
 	if (!ms_stub) {
 		log_error(ls, "dlm_recover_waiters_pre no mem");
 		return;
-- 
2.12.2