[dpdk-dev] [PATCH v3 09/40] drivers/net/qede: fix broken strncpy
Andy Green
andy at warmcat.com
Thu May 10 04:47:04 CEST 2018
/home/agreen/projects/dpdk/drivers/net/qede/qede_main.c: In function
‘qed_slowpath_start’:
/home/agreen/projects/dpdk/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);
~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Andy Green <andy at warmcat.com>
---
drivers/net/qede/qede_main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index 2333ca073..fcfc32d0d 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"
@@ -303,9 +304,9 @@ 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));
+ drv_version.name[sizeof(drv_version.name) - 1] = '\0';
rc = ecore_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
&drv_version);
if (rc) {
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