linux-kernel - [PATCH] s390: char: sclp_async.c: Cleaning up missing null-terminate in conjunction with strncpy

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Date:	Sat, 26 Jul 2014 16:30:47 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	linux390@...ibm.com, linux-s390@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] s390: char: sclp_async.c:  Cleaning up missing null-terminate in conjunction with strncpy

Replacing strncpy with strlcpy to avoid strings that lacks null terminate.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/s390/char/sclp_async.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c
index 5f9f929..585de0a 100644
--- a/drivers/s390/char/sclp_async.c
+++ b/drivers/s390/char/sclp_async.c
@@ -132,12 +132,12 @@ static int sclp_async_send_wait(char *message)
 	request->command = SCLP_CMDW_WRITE_EVENT_DATA;
 	request->sccb = sccb;
 	request->status = SCLP_REQ_FILLED;
-	strncpy(sccb->evbuf.data, message, sizeof(sccb->evbuf.data));
+	strlcpy(sccb->evbuf.data, message, sizeof(sccb->evbuf.data));
 	/*
 	 * Retain Queue
 	 * e.g. 5639CC140 500 Red Hat RHEL5 Linux for zSeries (RHEL AS)
 	 */
-	strncpy(sccb->evbuf.comp_id, "000000000", sizeof(sccb->evbuf.comp_id));
+	strlcpy(sccb->evbuf.comp_id, "000000000", sizeof(sccb->evbuf.comp_id));
 	sccb->evbuf.header.length = sizeof(sccb->evbuf);
 	sccb->header.length = sizeof(sccb->evbuf) + sizeof(sccb->header);
 	sccb->header.function_code = SCLP_NORMAL_WRITE;
-- 
1.7.10.4

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