[PATCH] mpi3mr: Fix W=1 compilation warnings

From: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
To: linux-scsi@vger.kernel.org, martin.petersen@oracle.com
Cc: jejb@linux.ibm.com, mpi3mr-linuxdrv.pdl@broadcom.com,
	kashyap.desai@broadcom.com, sathya.prakash@broadcom.com,
	Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
	kernel test robot <lkp@intel.com>
Subject: [PATCH] mpi3mr: Fix W=1 compilation warnings
Date: Wed, 23 Jun 2021 12:51:53 +0530	[thread overview]
Message-ID: <20210623072153.25758-2-sreekanth.reddy@broadcom.com> (raw)
In-Reply-To: <20210623072153.25758-1-sreekanth.reddy@broadcom.com>

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Fix for below W=1 compilation warning,
'strncpy' output may be truncated copying 16 bytes
 from a string of length 64

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
---
 drivers/scsi/mpi3mr/mpi3mr_fw.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 9eceafca59bc..fd437a19b948 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -2608,10 +2608,8 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
 	}
 	drv_info->information_length = cpu_to_le32(data_len);
 	strncpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
-	strncpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
-	drv_info->os_name[sizeof(drv_info->os_name) - 1] = 0;
-	strncpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
-	drv_info->os_version[sizeof(drv_info->os_version) - 1] = 0;
+	memcpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name) - 1);
+	memcpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version) - 1);
 	strncpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
 	strncpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
 	strncpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE, sizeof(drv_info->driver_release_date));
-- 
2.27.0


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