linux-kernel - [PATCH 02/10] s390: sysinfo: check return value of create_proc_read

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Date:	Wed, 28 Jul 2010 20:39:07 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux390@...ibm.com, Tejun Heo <tj@...nel.org>,
	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/10] s390: sysinfo: check return value of create_proc_read_entry()

create_proc_read_entry() may fail, if so return -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
---
 arch/s390/kernel/sysinfo.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index a0ffc77..db358e6 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -231,9 +231,8 @@ static int proc_read_sysinfo(char *page, char **start,
 
 static __init int create_proc_sysinfo(void)
 {
-	create_proc_read_entry("sysinfo", 0444, NULL,
-			       proc_read_sysinfo, NULL);
-	return 0;
+	return create_proc_read_entry("sysinfo", 0444, NULL,
+			       proc_read_sysinfo, NULL) ? 0 : -ENOMEM;
 }
 device_initcall(create_proc_sysinfo);
 
-- 
1.7.0.4

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