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Message-Id: <1401917775-3222-1-git-send-email-rickard_strandqvist@spectrumdigital.se>
Date:	Wed,  4 Jun 2014 23:36:15 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Nagalakshmi Nandigama <Nagalakshmi.Nandigama@....com>,
	Sreekanth Reddy <Sreekanth.Reddy@....com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	support@....com, "James E.J. Bottomley" <JBottomley@...allels.com>,
	DL-MPTFusionLinux@....com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: mpt2sas: mpt2sas_base.c:  Cleaning up missing null-terminate after strncpy call

Added a guaranteed null-terminate after call to strncpy.

This was partly found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/scsi/mpt2sas/mpt2sas_base.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index bde63f7..4c3eceb 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -2097,7 +2097,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
 	u32 bios_version;
 
 	bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
-	strncpy(desc, ioc->manu_pg0.ChipName, 16);
+	strncpy(desc, ioc->manu_pg0.ChipName, sizeof(desc));
+	desc[sizeof(desc) - 1] = '\0';
 	printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "
 	   "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
 	    ioc->name, desc,
-- 
1.7.10.4

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