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From: Andy Green <andy@warmcat.com>
To: stable@dpdk.org
Subject: [dpdk-stable] [PATCH 3/4] net/qede: fix strncpy
Date: Fri, 18 May 2018 20:16:11 +0800	[thread overview]
Message-ID: <152664577186.32615.5840750446673224354.stgit@localhost.localdomain> (raw)
In-Reply-To: <152664553026.32615.51601026908782839.stgit@localhost.localdomain>

drivers/net/qede/qede_main.c: In function ‘qed_slowpath_start’:
drivers/net/qede/qede_main.c:307:3: error:
‘strncpy’ output may be truncated copying 12 bytes from a string of length 127
[-Werror=stringop-truncation]
   strncpy((char *)drv_version.name, (const char *)params->name,
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    MCP_DRV_VER_STR_SIZE - 4);
    ~~~~~~~~~~~~~~~~~~~~~~~~~

Fixes: 86a2265e59d7 ("qede: add SRIOV support")
Cc: stable@dpdk.org

Signed-off-by: Andy Green <andy@warmcat.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
---
 drivers/net/qede/qede_main.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index ab22409a1..fef7003ea 100644
--- a/drivers/net/qede/qede_main.c
+++ b/drivers/net/qede/qede_main.c
@@ -9,6 +9,7 @@
 #include <limits.h>
 #include <time.h>
 #include <rte_alarm.h>
+#include <rte_string_fns.h>
 
 #include "qede_ethdev.h"
 
@@ -299,9 +300,8 @@ static int qed_slowpath_start(struct ecore_dev *edev,
 		drv_version.version = (params->drv_major << 24) |
 		    (params->drv_minor << 16) |
 		    (params->drv_rev << 8) | (params->drv_eng);
-		/* TBD: strlcpy() */
-		strncpy((char *)drv_version.name, (const char *)params->name,
-			MCP_DRV_VER_STR_SIZE - 4);
+		strlcpy((char *)drv_version.name, (const char *)params->name,
+			sizeof(drv_version.name));
 		rc = ecore_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 						&drv_version);
 		if (rc) {

  parent reply	other threads:[~2018-05-18 12:16 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-01 10:49 [dpdk-stable] please help backporting some patches to LTS release 16.11.7 luca.boccassi
2018-05-07  2:08 ` Chen, Junjie J
2018-05-08  9:50   ` Luca Boccassi
2018-05-18  9:47 ` luca.boccassi
2018-05-18 12:15   ` [dpdk-stable] [PATCH 0/4] 16.11 Requested backports Andy Green
2018-05-18 12:16     ` [dpdk-stable] [PATCH 1/4] eal: support strlcpy function Andy Green
2018-05-18 12:16     ` [dpdk-stable] [PATCH 2/4] bus/pci: fix size of driver name buffer Andy Green
2018-05-18 12:16     ` Andy Green [this message]
2018-05-18 12:16     ` [dpdk-stable] [PATCH 4/4] net/qede: replace strncpy by strlcpy Andy Green
2018-05-18 12:48     ` [dpdk-stable] [PATCH 0/4] 16.11 Requested backports Luca Boccassi
2018-05-25 17:24   ` [dpdk-stable] please help backporting some patches to LTS release 16.11.7 luca.boccassi
2018-05-29 21:59     ` Shaikh, Shahed
2018-05-29 22:55       ` Luca Boccassi

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